Quantitative Aptitude Questions for RBI Grade-B Phase-1 Exam

Dear Readers,

Directions (Q.1-5): In the following number series, only one number is wrong. Find out the wrong number.

Q1. 336, 210, 120, 62, 24, 6, 0

(e) None of these

Q2. 5, 3, 6, 10, 9, 12, 17, 15, 18, 23

(e) None of these

Q3. 0, 3, 8, 15, 27, 35, 48

(e) None of these

Q4. 8, 14, 26, 48, 98, 194

(e) None of these

Q5. 12, 32, 72, 152, 314, 632

(e) None of these

Q6. A railway half ticket costs half the full fare. But the reservation charged on half ticket is the same as that on full ticket. One reserved first class ticket for a journey between two stations is Rs. 525 and the cost of one full and one half reserved first class tickets is Rs. 850. What is the reservation charge?

(a) Rs. 125

(b) Rs. 200

(d) Can’t be determined

(e) None of these

Q7. Manish borrowed a sum of Rs. 1150 from Anil at the simple rate of 6% per annum for 3 yr. Then, he added some more money the borrowed sum and lent it to Sunil for the same time at 9% per annum at simple interest. If Manish gains Rs. 274.95 by way of interest on borrowed sum as well as his own amount from the whole transactions, then what is the sum lent by him to Sunil?

(a) Rs. 1290

(b) Rs. 1785

(d) Rs. 1200

(e) None of these

Q8. While packing for a business trip Mr. Debashis has packed 3 pairs of shoes, 4 pants, 3 half-pants, 6 shirts, 3 sweater and 2 jackets. The outfit is defined as consisting of a pair of shoes, a choice of ‘lower wear’ (either a pant or a half-pant), a choice of ‘upper wear’ (it could be a shirt or a sweater or both) and finally he may or may not choose to wear a jacket. How many different outfits are possible?

(e) None of these

Q9. The sum of five consecutive even numbers of set A is 280. What is the sum of different set B of five consecutive numbers whose lowest number is 71 less than double the lowest number of set A?

(e) None of the above

Q10. The number obtained by interchanging the two digits of a two digit number is lesser than the original number by 54. If the sum of the two digits of the number is 12, then what is the original number?

(d) Can’t be determined

(e) None of the above

Directions (Q.11-15): What will come in place of the question-mark (?) in the following questions?