Q51. If 25% of the items are less than 10 and 25% are more than 40, the quartile deviation is(a) 10(b) 20(c) 30(d) none of these

If n=10 , X =12 and sumx_(i)^2=1530 , then the coefficient of variation is (a) 36% (b) 41% (c) 25% (d) none of these

B is 20% more than A and C is 25% more than B. If C = 330, then what will be the value of A?

A is 35% more than B, B is 25% less than C and C is 20% more than D. Which of the following is true?

A is 20% more than B, B is 10% less than C and C is 15% more than D. Which of the following is true ?

A is 20% more than B, B is 25% more than C, C is 60% less than D and D is 20% more than E. Based on the above information which of the following is true? A, B से 20% अधिक है, B, C से 25% अधिक है, C, D से 60% कम है और D, E से 20% अधिक है | इस जानकारी के आधार पर नित्न में से कौन सा सही है ?

25% of a number is less than 18% of 650 by 19. The number is

If A is 75% more than B, C is 40% less than D and D is 20% more than A, then which one of the following is true?