The average of first three numbers is double of the fourth number. If the average of all the four numbers is 12, find the 4th number.

1.  16

2.  48/7

3.  20

4.  18/7

4

48/7

Explanation :
No Explanation available for this question

If the average of 6 consecutive even numbers is 25, the difference between the largest and the smallest number is

1.  8

2.  10

3.  12

4.  14

4

10

Explanation :
No Explanation available for this question

A train goes from Ballygurige to Sealdah at an average speed of 20 km/hour and comes back at an average speed of 30 km/ hour. The average speed of the train for the whole journey is

1.  27 km/hr

2.  26 km/hr

3.  25 km/hr

4.  24 km/hr

4

24 km/hr

Explanation :
No Explanation available for this question

average for 11 innings. In the 12th innings he scores 120 runs and thereby increases his average by 5 runs. His new average is

1.  60

2.  62

3.  65

4.  66

4

65

Explanation :
No Explanation available for this question

The average of 11 results is 50. If the average of the first six results is 49 and that of the last six is 52, the sixth result is

1.  48

2.  50

3.  52

4.  56

4

56

Explanation :
No Explanation available for this question

By selling 25 metres of cloth a traider gains the selling price of 5 metres of cloth. The gain of the trader in % is

1.  25

2.  20

3.  28

4.  29

4

25

Explanation :
No Explanation available for this question

A sells a suitcase to B at 10% profit. B isells it to C at 30% profit. If C pays R.s 2.860 for it,then the price at which A bought it is

1.  R.s 1,000

2.  R.s1,600

3.  R.s2,000

4.  R.s2,500

4

R.s2,000

Explanation :
No Explanation available for this question

Gita buys a plot of land for R.s96,000. She sells 2/5 of it at a loss of 6%. She wants to make a profit of 10% on the whole transaction by selling the remaining land. The gain % on the remaining land is

1.  20

2.  20 2/3

3.  14

4.  7

4

20 2/3

Explanation :
No Explanation available for this question

An article is sold at a gain of 15%. Had it been sold for X 27 more, the profit would have been 20%. The cost price of the article is

1.  R.s 500

2.  R.s700

3.  R.s 540

4.  R.s 545

4

R.s 540

Explanation :
No Explanation available for this question

1.  12.5

2.  13

3.  13.7

4.  14.25

4