SSC Cgl Quant Quiz-51

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Q.1) Three years ago, the average age of A, B and C was 27 years and that of B and C 5 years ago was
20 years. A’s present age is
1) 30 years
2) 35 years
3) 40 years
4) 48 years

Q.2) Pandaya has a certain average for 9 innings. In the tenth inning, he scores 100 runs thereby increasing his average by 8 runs. His new average is
1) 20
2) 24
3) 28
4) 32

Q.3) The average of the first five multiples of 7 is
1) 20
2) 21
3) 28
4) 30

Q.4) There are three fractions A, B and C. If A = 1/4 and B = 1/6 and the average of A, B and C is 1/12. What is the value of C?
1) –1/2
2) – 1/6
3) –1/3
4)– 1/4

Q.5) The marks obtained by Hare Rama in Mathematics, English and Biology are respectively 93 out of 100, 78 out of 150 and 177 out of 200. Find his average score in percent.
1) 87.83
2) 86.83
3) 76.33
4) 77.83

Q.6) The average monthly expenditure of a family was ₹ 2750 for the first 3 months,₹ 3150 for the next three months and ₹ 6750 for the next three months. Find the average income of the family for the 9 months, if they save ₹ 650 per month.
1) 4866.66
2) 5123.33
3) 4666.66
4) 4216.66

Q.7) The average age of a family of 6 members is 22 years. If the age of the youngest member be 7 years, what was the average age of the family at the birth of the youngest member?
1) 15
2) 18
3) 21
4) 12

Q.8) The average age of 8 persons in a committee is increased by 2 years when two men aged 35 years and 45 years are substituted by two women. Find the average age of the two women.
1) 48
2) 45
3) 51
4) 42

Q.9) The average temperature for Wednesday, Thursday and Friday was 40 °C. The average for Thursday, Friday and Saturday was 41 °C. If the temperature on Saturday was 42 °C, what was the temperature on Wednesday?
1) 39 °C
2) 44 °C
3) 38 °C
4) 41 °C

Q.10) The speed of the train in going from Nagpur to Allahabad is 100 km/hr while when coming back from Allahabad to Nagpur, its speed is 150 km/hr. Find the average speed during the whole
journey.
1) 125
2) 75
3) 135
4) 120