Question
What approximate value will come in place of question
(?) in the following given expression? You are not expected to calculate the exact value. (624.85 ÷ 25.16 + √(224.95))² – (√(1599.77) × 5) = ?Solution
= (624.85 ÷ 25.16 + √(224.95))² – (√(1599.77) × 5) = (625 ÷ 25 + √(225))² – (√(1600) × 5) = (25 + 15)² – (40 × 5) = 40² – 200 = 1600 – 200 = 1400 Answer – C
Sum of the present ages of A, B, C and D is 70 years. After 5 years ratio of their ages is 5:4:4:2. What is C’s present age?
Present age of ‘A’ is 30% more than that of ‘B’. If 8 years hence from now, ‘B’ will be 9 years younger than ‘A’, then find the sum of p...
The current ages of 'Pankaj' and 'Ranjan' are in the ratio of 2:5. If Ranjan's age 13 years from now will be six times Pankaj's age 6 years prior to now...
M and S currently have ages in the ratio of 3:4. R's present age is 50% more than S's present age. The ratio of M's age one year from now to R's age thr...
- Four years later, the total of the ages of 'John' and 'Michael' will be 70 years. Ten years ago, John was 8 years younger than Michael. What will be Michae...
Four years ago, ratio of age of A and B was 1:2. Average of present age of A, B and C is 32 years. C is 6 years younger than B. What is the present age ...
- The age ratio of Kiran and Meena 3 years ago was 3:4. In 9 years from now, the ratio of their ages will be 5:6. What is the present age of Meena?
The ratio of age of A and his son is 9:2. If the difference of their ages 7 year ago is 21, then find the sum of ages of A and his son 13 year hence?
Bheem is currently 25 years old, which is 25% more than Ayush’s present age. The average of Ayush and Chintu’s present ages is 34 years. Additionall...
A’s age is the fifth part of his father’s age. After 7 years, the age of A’s father will be twice the age of B. If B’s 6th birth...