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

Dear Readers,

Directions (Q.1-5): Find out the approximate value which should replace the question mark (?) in the following questions. (You are not expected to find out the exact value)

Q1. 499.99 + 1999 ÷ 39.99 × 50.01 = ?

Q2. 73.99% of 1299 + 9.98% of 1899 = ?

Q3. 67% of 801 – 231.17 = ? – 23% of 789

(d) –105

(e) –115

Q5. 126.99% of 1539.98 + 5.5% of 149.99 + 103.98% of 7 = ?

Q6. A train travelled a distance of 900 km. It developed an engine problem after travelling for some distance. It travelled the remaining distance at 3/5th of its speed. It reached 1 hour late. If the engine problem had developed after it had travelled for another 150 km, it would have reached 1 hour earlier than the time it actually reached. Find the original speed (in km/hr) of the train during the journey?

(e) None of these

Q7. Akshay starts working on a job and continues for 15 days and completes 36% of the work. To complete the work, he employs Monika and together they work for 20 days and completed the work.  What will be the efficiency ratio of Akshay and Monika ?

Q8. A man ordered 4 pairs of black socks and some pairs of brown socks. The price of a black socks is double that of a brown pair. While preparing the bill the clerk interchanged the number of black and brown pairs by mistake which increased the bill by 50%. The ratio of the number of black and brown pairs of socks in the original order was :

(e) None of these

Q9. A shopkeeper marks up his goods by 20% and then gives a discount of 20%. Besides he cheats both his supplier and customer by 100 grams i.e., he takes 1100 gram from his supplier and sells only 900 grams to his customer. What is his net profit percentage?

(b) 17.33%

Q10. The surface of water in a swimming pool forms a rectangle with length 40 m and breadth 15 m. The depth of water increases uniformly from 1.2 m to 2.4 m at the other end. The volume (in m3) of water in the pool is

(e) None of these

Directions (Q.11-15): What should come in place of the question mark (?) in the following number series? 

Q11. 948, 474, ?, 118.5, 59.25, 29.625

(d) 189.06

(e) None of these

Q12. 374, 355, 317, ?, 184, 89

(e) None of these

Q13. 96, 94, 373, 3353, ?, 1341069

(e) None of these

Q14. 1, 16, 81, 256, ?, 1296

(e) None of these

Q15. 281, 141, 71, 36, 18.5, ?

(e) None fo these

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