The present age of a father is 3 years more than three times the age of his son. Three years hence, father's age will be 10 years more than twice the age of the son. Find the present age of the father. A. 33 B. 48 C. 29 D. 38 View Answer

An article is sold at 10% profit. If its cost price and selling price are less by Rs 5 and Rs 2.50 respectively and the percentage of profit increases by 5%. Find the cost price? A. 40 B. 45 C. 60 D. 65 View Answer

Four friends P, Q, R and S are working on an assignment together. They contribute to the work in the ratio 1:2:3:4, respectively. They can complete the entire assignment individually in 1, 2, 3 and 4 days, respectively. If they work one after the other, how many days will it take to complete the assignment? View Answer

Let required number is X. So,

4/9 of 3/16 of X = 155

4/9 * 3/16 * X = 155

X/12 = 155

X = 155 * 12

X = 1860.