Quantitative Aptitude Quiz For SBI PO/Clerk Prelims
Q1. Quantity 1: The probability that only girls or only boys get selected. In a class, there are 15 girls and 10 boys. Three students are selected at random.
Quantity 2: probability of both the letters being vowels. Two letters are chosen out of the alphabets of the English language.
Q2. Quantity 2: No. of different ways in which the letters of the word “AWARENESS” can be arranged so that vowels never come together.
Quantity 1: No. of ways in which 9 friends can be seated in circular sitting arrangement.
Q3. Quantity 1: One year ago the ratio between Laxman’s and Gopal’s salary was 3 : 4. The ratio of Laxman’s last year’s and this year’s salaries are 4 : 5 and that of Gopal is 2 : 3 respectively. At present the total of their salary is Rs. 4160. The salary of Laxman, now is:
Quantity 2: Sohan spends 23% of an amount of money on an insurance policy, 33% on food, 19% on children’s education and 16% on recreation. He deposits the remaining amount of Rs. 504 in bank. How much total amount does he spend on food and insurance policy together?
Q4. Quantity 1: The percentage of milk in the final mixture. First type of liquid contains 25% of milk, the other second type of liquid contains 30% of milk. A container is filled with 6 liters of the first liquid and 4 liters of the second liquid.
Quantity 2: Percentage increment in the saving of Amit. Amit spends 75% of his income. His income was increased by 20% and he increased his expenditure by 10%.
Q5. Quantity 1: Simple interest accrued on the same amount at the same rate in the same period.
The compound interest accrued on an amount of Rs. 25,500 at the end of three years is Rs. 8,440.50.
Quantity 2: Compound interest accrued on the same amount at the same rate in two years. The simple interest accrued on an amount Rs. 27,500 at the end of three years is Rs. 10,230.
Q6. If all possible four-digit numbers are formed using the digits 3, 5, 6, 9 without repetition and arranged in ascending order of magnitude, then the position of the number 6953 is
The number of four-digit numbers that begin with 63, 65 is 2! Each.
After that, the numbers are 6935, 6953.
The rank of 6953 is 2(3!) + 2(2!) + 2 = 18.
Q7. In how many different ways can the letters of the word ‘THERAPY’ be arranged so that the vowel always come together?
Number of Permutations when vowels are together = 6! × 2! =1440
Q8. How many three digits number can be formed by using the digits 0, 2, 4, 6, 7 if repetition of digits is not allowed.
Q9. In how many ways a committee, consisting of 5 men and 6 women can be formed from 8 men and 10 women?
Q10. A box contains 2 white balls, 3 black balls and 4 red balls. In how many ways can 3 balls be drawn from the box, if at least one black ball is to be included in the draw?
Directions (11-15): What should come in place of question mark (?) in following number series?
Q11. 12, 15, 36, ? , 480 , 2415 , 14508
Q12. 14 , 15, 23, 32, 96, ?,
Q13. 19, 25, 45, 87, 159, (?)
Q14. 15, 21, 39, 77, 143, (?)
Q15. 6, 42, ?, 1260 , 5040 , 15120 , 30240