Question
Which gas is most abundant in the Earth’s
atmosphere?Solution
Nitrogen makes up about 78% of Earth's atmosphere.
Find the LCM of 34 and √784.
If + means divide, × means -, ÷ means multiply and – means plus, then find the value of 9 + 3 ÷ 4 - 8 × 2
The average of x numbers is 24. If 60% of these numbers are reduced by 5 and the remaining 40% are increased by 10, what will be the new average of the ...
- Ram has Rs. 1000 in denomination of Rs. 2, Rs. 5 and Rs. 10 only. If the ratio of number of coins of Rs. 2, Rs. 5 and Rs. 10 is 5:3:10 respectively. Find t...
An article is initially marked at 40% above its cost price. It is then sold after applying two successive discounts - one of 12% and another of Rs. 56. ...
- Difference between selling price of certain number of items, when sold at Rs. 16 per item instead of Rs. 12 per item is Rs. 128. Total cost price of these ...
√(2x - 3) + √(2x + 3) = 3 + √3, then value of x is.
Two inlet pipes 'A' and 'B' can fill an empty tank in 48 minutes and 80 minutes, respectively. Another outlet pipe 'C' can empty the tank in 120 minutes...
A sum of Rs. 14500 is split between 'A' and 'B' in the ratio 16:13. If 'B' invests the sum with him in a scheme offering compound interest (compounded a...
A, B, and C can each complete a certain work individually in 35 days, 20 days, and 28 days, respectively. If B and C work together for x days, and then ...