Question
(6.93)2 × (11.98)2 ÷ √361.2 =
7?Solution
(6.93)2 × (11.98)2 ÷ √361.2 = 7? ≈ (7)2 × (12)2 ÷ 19 ≈ 49 × 144 ÷ 19 ≈ 369.89 ≈ 73. Therefore, ? ≈ 3
- The mean proportional of 18 and 2 is _____.
Ratio of male to female population of a town in 2010 was 13:12 and total population in 2010 was 25000. If the male population is ___ and female populat...
Four numbers ‘A’, ‘B’, ‘C’ and ‘D’ are such that ‘A’ is half of ‘B’, ‘C’ is double of ‘A’, and ‘D’ is equal to the a...
50 litres of a mixture of milk and water contains 14 litres more milk than water. 8 litres water is added to it. The ratio of milk to water in the new m...
The ratio of the number of English books to Hindi books in a library shelf is 5:3. If 126 Hindi books are written by Pradeep, which constitutes 30% of t...
In an office, the ratio of the number of males to number of females is 11:8. If 3 males joined the class and 6 females left the class, then the ratio of...
P and Q together have Rs 2,420. If 8/15 of P’s amount is equal to 4/5 of Q’s amount, how much amount does Q have?
The monthly incomes of individuals 'A' and 'B' are proportional, with 'A' earning at a ratio of 5:3 compared to 'B'. Their monthly savings follow a rati...
Two numbers are respectively 40% and 70% more than a third number. Find the ratio of two numbers.
$15000 was split between P, Q and R in the proportion of 6:9:15.Q kept $1400 for herself, gave $600 to her grandma and shared the remainder between her ...
Relevant for Exams:
