Directions (Q1 – 5): In each of the following questions, a series of numbers which contains a wrong number is given. Find out the wrong number in each case.

1)1, 6, 13, 24, 33, 46, 61
1) 6
2) 13
3) 24
4) 33
5) 46

2)8, 8, 9, 9, 11, 10, 13, 11, 18
1) 8
2) 9
3) 10
4) 11
5) 13

3)3, 5, 13, 43, 175, 891, 5353
1) 43
2) 175
3) 891
4) 5353
5) None of these

4)5, 10, 10, 10, 15, 10, 40, 10, 80
1) 5
2) 10
3) 15
4) 40
5) 804.

5)6, 9, 15, 19, 29, 47, 81
1) 9
2) 15
3) 19
4) 29
5) 47

6) A is 25% more efficient than B and takes 2 days less than B to complete a certain work. Then what time will be taken by both of them working together?
1) 5 (4/9) days
2) 4 (4/11) days
3) 4 (4/9) days
4) Cannot be determined
5) None of these

7)24 men working 8 hours a day can finish a work in 10 days. Find the number of men required to finish the same work in 6 days working 5 hours a day?
1) 60
2) 64
3) 80
4) 72
5) None of these

8)The work done by a man, a woman and a child is in the ratio of 3 : 2 : 1. There are 20 men, 30 women and 48 children in a factory. Their weekly wages amount to Rs 840, which is divided in the ratio of work done by the men, women and children. What will be the wages of 15 men, 21 women and 30 children for 2 weeks?
1) Rs 585
2) Rs 292.5
3) Rs 1170
4) Rs 900
5) None of these

9)A B can fill a cistern in 7.5 minutes and 5 minutes respectively and C can carry off 14 litres per minute. If the cistern is already full and all the three pipes are opened, then it is emptied in 1 hour. How many litres can it hold?
1) 20
2) 30
3) 80
4) 40
5) None of these

10)The price of sugar is increased by 28%. Therefore, a family reduces its consumption so that the increment in the expenditure of sugar is only 20%. If the consumption of sugar is 15 kg before the increment, what is the consumption now?
1) 15 (1/16) kg
2) 22 (5/16) kg
3) 14 (3/16) kg
4) 14 1/18 kg
5) 15 1/8 kg