GK: Class 12 General Q&A · Page 29
3,658 free answers on GK (General) for Class 12 students, across CBSE, ICSE and State boards.
Question & Answer
Questions
- GeneralClass 12All
What's the average height for kids
There is no single average height for kids, because height depends heavily on age and sex. For example, a healthy 5-year-old is typically around 105–115 cm tall, while a 10-year-old averages 135–145 cm. Pediatric growth charts are used instead of simple averages to track healthy development over time.
- GeneralClass 12All
Is 32 mm equal to 1 inch
No, 32 mm is not equal to 1 inch. One inch equals 25.4 mm. 32 mm actually equals about 1.26 inches. This misconception often arises from rounding or mixing up measurement systems, which can lead to fitting or sizing errors in tools, fasteners, or mechanical parts.
- GeneralClass 12All
Is 169 cm 5'7"
Yes, 169 cm is approximately 5 feet 6½ inches, which is commonly rounded to 5'7". Because height is rarely reported with half-inch precision, rounding up to 5'7" is normal in everyday conversation, medical records, and identification documents.
- GeneralClass 12All
Is 1 ft and 1 ft the same
Yes, 1 foot is always equal to 1 foot—the unit is fixed and standardized. What causes confusion is context: sometimes “foot” is used informally (like pacing distance with your steps), while other times it refers to the exact international unit of 304.8 mm. In formal measurement, a foot never changes.
- GeneralClass 12All
Is 1 foot exactly 30 cm
No, 1 foot is not exactly 30 cm. One foot equals 30.48 cm. The “30 cm” figure is often used as a quick mental shortcut, but it introduces a small error. Over multiple feet—such as in room measurements or height calculations—that error can add up, which is why the exact value is important in technical or professional settings.
- GeneralClass 12All
What height is 6.0 feet
6.0 feet equals 182.88 cm, commonly rounded to 183 cm. In height discussions, “6.0 feet” is an exact measurement, not an estimate. This matters because even a tenth of a foot (like 5.9 vs 6.0) translates to more than an inch difference, which is noticeable in health records, sports, and clothing fit.
- GeneralClass 12All
How tall is 6.8 feet in CM
6.8 feet equals approximately 207.3 cm. This is exceptionally tall by global standards. Heights above 200 cm are rare and usually associated with professional athletes or specific genetic factors. Precision matters here, as rounding can misrepresent height by several centimeters.
- GeneralClass 12All
How tall is a 164 cm woman
A height of 164 cm equals about 5 feet 4½ inches. Globally, this falls near the average height for adult women. In practical contexts like clothing sizing or health assessments, 164 cm is usually grouped with the 5'4"–5'5" range, which affects garment proportions and BMI calculations.
- GeneralClass 12All
How many mm is 7 feet
Seven feet equals 2,133.6 millimeters. This comes from multiplying feet by the exact conversion factor: 1 foot = 304.8 mm. This measurement is often used in construction, interior design, and sports equipment standards. When working with metric-based tools or international specifications, converting feet to millimeters ensures accuracy and avoids rounding mismatches.
- GeneralClass 12All
How many feet is 400 cm
400 cm equals approximately 13.12 feet, or 13 feet 1.4 inches. This conversion is useful for room dimensions, building heights, or fabric measurements. When precision matters, using decimal feet is preferred; for visual estimation, rounding to 13 feet is usually sufficient.400 cm equals approximately 13.12 feet, or 13 feet 1.4 inches. This conversion is useful for room dimensions, building heights, or fabric measurements. When precision matters, using decimal feet is preferred; for vis
- GeneralClass 12All
What is 8inch to mm
8 inches equals exactly 203.2 millimeters. This conversion is widely used in manufacturing, screen sizing, and mechanical components. Inches convert cleanly to millimeters using the fixed factor of 25.4 mm per inch, which ensures consistent results across industries.
- GeneralClass 12All
What is 1000 mm in fit
1,000 mm equals approximately 3.28 feet. More precisely, it is 3 feet 3.37 inches. In everyday use, 1,000 mm is often referred to as exactly 1 meter, which makes it easier to visualize. When converting to feet, remember that meters convert cleanly to decimal feet but not whole feet and inches, so minor fractions are expected.
- GeneralClass 12All
What is 200 cm in feet
200 cm equals approximately 6 feet 6.7 inches, or 6.56 feet in decimal form. This height is considered tall in most global populations. In real-world contexts like door clearance, ceiling height, or human height comparisons, it’s usually rounded to 6 feet 7 inches for simplicity.
- GeneralClass 12All
What size is 6ft in mm
6 feet equals exactly 1,828.8 millimeters. This is calculated using the fixed standard of 304.8 mm per foot. This conversion is commonly used in construction drawings and product specifications where metric precision is required. Using millimeters instead of centimeters avoids decimals and keeps measurements consistent across technical documents.
- GeneralClass 12All
How tall is 6 ft in cm
6 feet equals 182.88 centimeters, typically rounded to 183 cm. This height is often used as a reference point for “tall” in many countries. In health, fitness, and apparel sizing, rounding to the nearest whole centimeter is standard practice and does not affect usability.
- GeneralClass 12All
What size is 180 mm
180 mm equals 18 centimeters or about 7.1 inches. This measurement is commonly seen in smaller objects, shoe insole lengths (especially children’s sizes), or compact product dimensions. Context matters here—180 mm can feel small or large depending on whether you’re measuring body parts, tools, or packaging.
- GeneralClass 12All
What is 160 cm in age
This question appears to confuse two separate measurements—160 cm is a measurement of height (approximately 5 feet 3 inches), not age. Height and age are completely different dimensions; you cannot convert centimeters to years as they measure fundamentally different things. 160 cm describes how tall someone is vertically, while age describes how many years they've been alive—these concepts aren't interchangeable or convertible. If you're asking what age a person typically
- GeneralClass 12All
Is 300mm 1 foot
No, 300 mm is not exactly 1 foot, but it’s close. One foot equals 304.8 mm, so 300 mm is slightly shorter than a foot by about 4.8 mm. In practical terms, 300 mm converts to 0.984 feet, which is close enough for rough measurements in construction, design mockups, or everyday estimates. However, for precision work—engineering, architecture, or manufacturing—you should always use the exact conversion factor to avoid co
- GeneralClass 12All
Can I be a model at 164cm
At 164 cm (approximately 5'4½"), you face challenges for traditional high fashion runway modeling, which typically requires women to be 5'8" (173 cm) or taller, and you fall below the standard requirements for most major modeling agencies' runway divisions. However, numerous other modeling opportunities exist where 164 cm is perfectly acceptable and sometimes even preferred, making a modeling career entirely possible despite not meeting high fashion height standards. Commercial modelin
- GeneralClass 12All
How tall is a 17 year old Indian boy
The average height for a 17-year-old Indian boy is approximately 165-170 cm (roughly 5'5" to 5'7"), though this varies significantly by region, socioeconomic status, nutrition, and genetics. Urban youth from middle and upper socioeconomic backgrounds tend to be taller, often averaging 168-172 cm at age 17, while rural youth or those from lower socioeconomic backgrounds may average closer to 163-167 cm. Regional variation is also notable—northern Indian states tend to have slightly talle