# Math Questions for SSC CHSL and RRB NTPC EXAM

**Q5. If a, b, c are non-zero, a + 1/b = 1 and b + 1/c= 1, then the value of abc is:**

(a) -1

(b) 3

(c) -3

(d) 1

**Q6. A farmer divides his herd of cows among his four sons so that first son gets one-half of the herd, the second son one-fourth, the third son one-fifth and the fourth son 7 cows. The total number of cows in the herd is:**

(a) 100

(b) 120

(c) 140

(d) 160

**Q8. A person covers 18 km at 6 km/hr, 16 km at 8 km/hr and 30 km at 6 km/hr. Then find the average speed in covering the whole distance.**

(a) 6.2 km/hr

(b) 6.4 km/hr

(c) 7 km/hr

(d) 7.2 km/hr

**Q9. Average of ten numbers is 7. If every number is multiplied by 12, what will be the average of new numbers?**

(a) 7

(b) 9

(c) 82

(d) 84

**Q10. By selling 60 meter of cloth there is a loss of 15 meter of SP. Find loss %**

(a) 16.6%

(b) 15%

(c) 20%

(d) 24%

**Q11. The sum of the ages of a father and son is 45 years. Five years ago, the product of their ages was four times the father’s age at that time. The present ages of the father is :**

(a) 36

(b) 27

(c) 40

(d) 35

**Q12. What is the minimum value of @ so that the number 451@603 is exactly divisible by 9?**

(a) 2

(b) 5

(c) 7

(d) 8

**Q13. When the number is divided by 84 the remainder is 40. What will be the remainder when this number is divided by 14?**

(a) 0

(b) 8

(c) 12

(d) None of these

**Q14. Find the least number which when divided by 12, 15, 20 & 35 leaves a remainder 6 in each case?**

(a) 216

(b) 426

(c) 846

(d) None of these

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