Quantitative Aptitude Quiz For IBPS PO/Clerk Prelims
Q1. The average age of a group of adult people is 40 years. 10 new persons with an average age of 30 years join the group, thereby decreasing the average by 4 years. The original strength of the group was:
(a) 10
(b) 11
(c) 12
(d) 15
(e) 18
Q2. The ratio of P’s and Q’s ages is 4: 5. If the difference between the present age of Q and the age of P 5 years hence is 3 years, then what is the total of present ages of P and Q?
(a) 68 years
(b) 72 years
(c) 76 years
(d) 64 years
(e) 54 years
Q3. Shivam is 4 years younger than Mayank while Divyanshi is 4 years younger than Samrat but one-fifth times as old as Shivam. If Samrat is eight years old, how many times as old is Mayank as Divyanshi?
(a) 6
(b) 1/2
(c) 3
(d) 3/2
(e) 3/4
Q4. Two groups of students, whose average ages are 15 years and 25 years, combine to form a third group whose average age is 22 years. What is the ratio of the number of students in the first group to that of in second group?
(a) 5: 2
(b) 2: 5
(c) 3: 7
(d) 5: 3
(e) 4: 5
Q5. The present ages of Riya and Rani are in the ratio of 13 : 15 respectively. After 6 years, the respective ratio between the age of Riya and Rani will be 7 : 8. What will be the age of Riya after 6 years ?
(a) Other than those given as options
(b) 80 years
(c) 94 years
(d) 90 years
(e) 84 years
Q6. The age of Sulochana and Avantika are in the ratio of 9 : 8 respectively. After 5 years the ratio of their age will be 10 : 9. What is the difference (in years) between their age ?
(a) 4 years
(b) 5 years
(c) 6 years
(d) 7 years
(e) 8 years
Q7. The average age of the mother and her 4 children is 10 years which is reduced by 6 years if the age of the mother is excluded. How old is the mother?
(a) 34 years
(b) 30 years
(c) 38 years
(d) 40 years
(e) 35 years
Q8. The average income of a person for the first 6 days is Rs. 29, for the next 6 days it is Rs. 24, for the next 10 days it is Rs. 32 and for the remaining days of the month it is Rs. 30. Find the average income per day (Assume month is of 30 days).
(a) Rs. 31.64
(b) Rs. 30.64
(c) Rs. 29.27
(d) Rs. 34.27
(e) Rs. 32.27
Q9. A man covers half of his journey by train at 60 km/hr, half of the remainder by bus at 30 km/hr and the rest by cycle at 10 km/hr. Find his average speed during the entire journey.
(a) 36 kmph
(b) 30 kmph
(c) 18 kmph
(d) 24 kmph
(e) 28 kmph
Q10. There are 5 consecutive odd numbers. If the difference between square of the average of first two odd number and the square of the average of last two odd numbers is 492, what is the smallest odd number?
(a) 37
(b) 42
(c) 41
(d) 35
(e) 39
Q11. Mr. Bansal’s age is 120% of his wife Smriti’s age. They have two children. The average age of family is 20 years. If Smriti’s age is 25 years, what is the average age of children?
(a) 13 years
(b) 12.5 years
(c) 14.5 years
(d) 15 years
(e) 16 years
Q12. The average weight of the students of a class is 51kg. The ratio of boys and girls is 11:6. If the total no. of girls are12 and weight of teacher is also included, the average weight increases by one kg. What is the weight of teacher?
(a) 76 kg
(b) 82 kg
(c) 86 kg
(d) 78 kg
(e) 68 kg
Q13. A batsman played three matches in a tournament. The respective ratio between the scores of 1st and 2nd matches was 5 : 4 and that between the scores of 2nd and 3rd matches was 2 : 1. The difference the 1st and 3rd matches was 48 runs. What was the batsman’s average score in all the three matches?
(a) 45
(b) 176/3
(c) 70
(d) 122/3
(e) 201/4
Q14. Sandhya’s present age is four times her son’s present age and four sevenths of her father’s present age. The average of the present age of all three of them is 32 years. What is the difference between the present age of Sandhya’s father and present age of Sandhya’s son?
(a) 44 years
(b) 48 years
(c) 46 years
(d) 42 years
(e) 56 years
Q15. With an average speed of 40 km/hr, a train reaches its destination in time. If it goes with an average speed of 35 km/hr, it is late by 15 minutes. The length of the total journey is
(a) 40 km
(b) 70 km
(c) 30 km
(d) 80 km
(e) None of these