SBI Clerk Mains Quantitative Aptitude Quiz: 24th July

SBI CLERK Quantitative Aptitude Quiz

Directions (1-5): Read the following information carefully and answer the questions given below it:
Out of the total number of 7800 girls in a college, 15% are good at dancing and 20% of the number of girls good at dancing are also good in studies. 5% of the total number of girls in the college are good at drawing and 10% of the girls good at drawing are also good in studies. 35% of the total number of girls in the college are good at cooking and 20% of the girls good at cooking are also good in studies; also, 30% of the girls good at cooking are good at dancing but not good in studies. 10% of the total number of girls in the college are good only at singing. 25% of the total number of girls in the college are good at sports and 16% of the number of girls good at sports are also good at studies. Rest of the girls from the college are only good at studies.

Q1. How many girls from the college are good at dancing ?

Solution:

Q2. How many girls from the college are good only at cooking ?

Solution:

Q3. How many girls from the college are good at drawing but not in studies?

Solution:

Q4. How many girls from the college are good at studies ?

Solution:

Q5. How many girls from the college are good only at singing ?

Solution:

Q6. The population of a village is 126800. The population of village increases by 15% in the first year and decreases by 20% in the second year. What is the population of the village at the end of 2 years?

Solution:

Q7. A man invested his total saving into three different banks namely SBI, UBI and BOB in the ratio of 2 : 1 : 2 for two years. Rate of simple interest offered by SBI is 20%, UBI is 16% and BOB is 12%. If the simple interest received from SBI is Rs. 672 more than interest received from BOB. Find total interest received by the man from UBI after two years.

Solution:

Q8. An alloy contains only silver and copper. One such alloy weighing 15 gm contains silver and copper in the ratio of 2 : 3 by weight. If 10 gm of silver is added then find what amount of copper has to be removed from the alloy such that the final alloy has silver and copper in the ratio of 4 : 1 by weight?

Solution:

Q9. A solution of sugar syrup has 15% sugar. Another solution has 5% sugar. How many litres of the second solution must be added to 20 litres of the first solution to make a solution of 10% sugar?

Solution:

Q10. Find the compound interest on Rs 80000 for 3 years if the rate of interest is 5% for the first year, 4% for the second year and 5% for the third year.

Solution:

Directions (11-15): What should come in place of question mark (?) in the following given questions(just calculate the approximate value) ?

Q11. 441.01 – 232.99 + 1649.99 = ? + 1225.92

Solution:

Q12. 23.001 × 18.999 × 7.998 = ?

Solution:

Q13. 73.99% of 1299 + 9.98% of 1899 = ?

Solution:

Q14.

Solution:

Q15. 89.988% of 699.9 + 50.002% of 999.99 – 170.015 = ?

Solution:

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