Question
A is younger than B by 5 years. If the ratio of A and B
ages is 7:8 respectively, then find the age of A.Solution
If Bβs age be x years, then Aβs age be (x - 5) years. According to question, => (x β 5)/x = 7/8 => 8x β 40 = 7x => x = 40 Therefore A's age = 40 β 5 = 35 years
15.99% of 549.99 Γ· 11.17 = ? Γ· 20.15
74.91% of 639.95 β 599.98% of 45 + 119.987 = ?
(4.88 Γ 5.76)2 - ?2 = 39.89 Γ 19.86
- What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)
- What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exactvalue.)
(1800.23 Γ· 29.98) + (816.32 Γ· 23.9) + 1634.11 = ?
1449.98 Γ· 50.48 Γ 10.12 = ? Γ 2.16
36.05 Γ 5.02 + 12.052 = ? + 9.09 Γ 4.04Β
(31.9)3 + (34.021)Β² - (16.11)3 - (42.98)Β² = ?