Find the mean proportion between 5 and 45.

What is the ratio of Faheem’s salary to Imran’s salary to Naveed’s salary if Faheem makes 80,000 rupees ,Imran 70,000 rupees and Naveed makes 50,000 rupees ?

A. 80:70:60

B. 8:7:5

C. 4:7:5

D. 7:8:5

Two numbers are in the ratio 5:4 and their difference is 10.What is the largest number?

A. 40

B. 50

C. 60

D. 30

In what ratio should the profit be divided if M, N, O invests capital in ratio 2:3:5 and their timing of their investments are in the ratio 4:5:6.

A. 8:15:30

B. 5:18:28

C. 4:5:6

D. 2:3:5

A bag contains 50 paise, 1 rupee and 2 rupee coins in the ratio 2:5:8. If the total amount is Rs. 352, find the total number of coins in the bag.

A. 160

B. 200

C. 250

D. 240

Three quantities X, Y and Z are such that XY=kZ where k is constant. Initially, X was at 4 and X:Y:Z was 2:3:4. If the value of Y is changed to 12 and Z is kept constant, find the value of X.

A. 2

B. 3

C. 5

D. 6