41.

Find the range of the following data :

25, 67, 78, 43, 21, 17, 49, 54, 76, 92, 20, 45, 86, 37, 35

42.

A is B's sister, C is B's Mother, D is C's father E is D's mother. Then, A is the of D

43.

A is richer than B, C is richer than A, D is richer than C. E is the richest of all. If they are made to sit in the above degree of richness, who will have the central position?

44.

A hollow cylindrical iron pipe of length 35 cm. Its outer and inner diameters are 10 cm and 8 cm respectively. Find the weight of the pipe if 1 cu.cm of iron weighs 7 gm.

45.

Find out the missing term in the given alphabet series :

AZ, GT, MN,____, YB

46.

7 men can complete a work in 52 days. In how many days will 13 men finish the same work?

47.

If

48.

Find the L.C.M of 45,4-81,412 and 47

49.

Find the missing number in the following :

4242, 4254, 4230, 4266, 4218, 4278, _________

50.

The average of 4 values is 20 and when a quantity is added to each value the average is 22. Find the quantity.