Quantitative Aptitude For SSC CGL,CHSL : 18th January 2020 for boat and stream, Average and Ratio

Q1. A man rows a distance of 12 km in 1 hour in still water and in 80 minutes against the current. Find the time taken by him to row 45 km with the current and return to the staring point.

(a) 8 hr.
(b) 6 hr.
(c) 12 hr.
(d) 16 hr.

Q2. The average age of employees of a company is 35 yr. If 5 new persons with an average age of 32 years join the company, the average of the entire company becomes 34 years. How many people were there in the company initially? 

(a) 10
(b) 12
(c) 8
(d) None of these

Q3. The bowling average of a cricketer was 12.4. He improves his bowling average by 0.2 points when he takes 4 wickets for 26 runs in his last match. The number of wickets taken by him before the last match was
(a) 125
(b) 150
(c) 175
(d) 114

Q4. Rs 600 are divided among A, B and C so that Rs 40 more than 2/5 of A’s share, Rs 20 more than 2/7 of B’s share and Rs 10 more than 9/17 of C’s share are all equal. A’s share is
(a) Rs 180
(b) Rs 160
(c) Rs 150
(d) Rs 140

Q5.


Q6. The ratio of the number of boys and girls in a school was 5 : 3. Some new boys and girls were admitted to the school, in the ratio 5 : 7. At this the total number of students in the school became 1200, and the ratio of boys to girls changed to 7:5. The number of students in the school before new admissions was
(a) 700
(b) 720
(c) 900
(d) 960

Q7. The ratio of the first and second class trains fares between two stations is 3 : 1 and that of the numbers of passengers travelling between the two stations by first and second classes is 1 : 50. If on a particular day, Rs 1,325 are collected from passengers travelling between the two stations, then the amount collected from the second classes passengers is

(a) Rs 1,250
(b) Rs 1,000
(c) Rs 850
(d) Rs 750

Q8. A man leaves Rs 8,600 to be divided among 5 sons, 4 daughters and 2 nephews. If each daughter receives four times as much as each nephew, and each son receives five times as much as each nephew, how much does each daughter receive?
(a) Rs 100
(b) Rs 600
(c) Rs 800
(d) Rs 1,000

Q9. he ratio, in which rice costing Rs 192 per kg is to be mixed with rice costing Rs 150 per kg so that the mixed rice when sold for Rs 194.40 per kg, gives a profit of 20%, is

(a) 2 : 5
(b) 3 : 5
(c) 5 : 3
(d) 5 : 2

Q10. While selling a shirt, a shopkeeper gives a discount of 7%. If he had given a discount of 9%, he would have got Rs 15 less as profit. The marked price of the shirt is
(a) Rs 750
(b) Rs 720
(c) Rs 712.50
(d) Rs 600

Solutions:

S1. Ans. (a);
Sol.

S2. Ans. (a);
Sol.

S3. Ans. (d);
Sol.

S4. Ans. (c);
Sol.

S5. Ans. (a);
Sol.

S6.(d);
Sol.

S7. Ans. (a);
Sol.

S8. Ans. (c)
Sol.

S9. Ans. (a);
Sol.

S10. Ans. (a);
Sol.

Important Questions on Simplification by Rohit Nama Sir | SSC CGL 2019 | Super Educator

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