Aptitute & Reasoning test 1

The average age of 36 students in a group is 14 years. When teacher’s age is included in the group, the average age increases by 1 year. What is the teacher’s age in years?

• 31

• 36

• 51

• 56

A train 300 m long crosses a platform 900 m long in 1 minute. What is the speed of the train in km/hr?

• 90

• 72

• 54

• 18

20 workers can finish a work in 30 days. After how many days 5 workers can be removed and still get the work completed in total 35 days?

• 20

• 15

• 10

• 5

Rupam spends 20% of his salary in food, 5% in cloth, 2% as investment. In these three items, he spends ₹ 5,400. The amount of his salary is:

• 16000

• 20000

• 24000

• 26000

The average weight of students in a class of 15 boys and 10 girls is 38.4 kg. If the average weight of the boys alone is 40 kg, what is the average weight of the girls?

• 36

• 36.5

• 35

• 35.5

12 men takes 18 days to construct a road. How many days will 9 men take to construct the same road?

• 24

• 26

• 28

• 30

Q is the only sister of A, who is the only son son of B. B's wife is the daughter of P, who has only one son R. How is R related to Q?

• Father in law

• Uncle

• Son

• Father

Laxman went 15 m to the west from his house, turned left and walked for 20 m. He then turned east and walked 25 m and finally turned left and covered 20 m. How far was he from his home?

• 10 m

• 15 m

• 20 m

• 25 m

A train is travelling at a speed of 40 kmph, whose length is 80 m. In how many secs. will it cross a bridge of 120 m length?

• 12 sec.

• 15 sec.

• 16 sec.

• 18 sec.

Find the HCF of the following numbers:

3/4, 5/6, 6/7

• 5/14

• 1/84

• 1/63

• 1/168