Dear Aspirants

We are sharing some of the memory based questions from** Quantitative Aptitude section asked in RBI Assistant Prelims Exam** held on 27th & 28th November 2017.

**Number Series Questions Asked**

- 4, 11, 28, 65, 132, ?
- 24, 27.2, 20.8, 30.4, ?, 33.6
- 400, 398, 389, 361, 296
- 87, 91, 75, 111, 47, ?
- 7, 4, 5, 9, ?, 52.
- 24, 10, 8, 10, 18, ?
- 4, 17, 40, 71, 108, ?
- 6, 14, 25, 184, ?
- 17, 38, 80, 164, ?
- 5, 18, 57, 174, ?
- 6, 5, 7, 12.5, 27, ?
- 3, 18, 35, 56, 83, ?
- 7, 6, 10, 27, ?, 515
- 45, 49, 40, 56, 31, ?
- 11, 29, 65, 137,? , 369
- 134, 142, 115, 179, 54, ?
- 7, 16, 30, 48, 69, ?
- 5, 8, 14, 25, ?
- 152, 76, 38, 19, ?, 27
- 16, 33, 67, 135, ?, 543

**Miscellaneous Questions Asked**

- The area of an Isosceles triangle is 72-meter square. Its hypotenuse is equal to a rectangle. Calculate the area of a rectangle.
- There is a circle & a semi-circle. The Radius of a circle is given & the semicircle is not given. the difference of their parameters is 72. Calculate the radius of the semicircle.
- The speed of a boat downstream is 40% more than that upstream. If the boat covers 98 Km downstream in 3 hr 30 min. What is the distance covered upstream in 3 hr 24 min.
- Every month A spend 12% & 18% of his monthly income on rent & grocery respectively. Out of the remaining monthly income A invest 20% of mutual funds & deposit the remaining RS 11200 in bank account. If B’s annual income is twice that of A. What is the B’s annual income in Rs (Lacs)?
- A completes a work in 24 days & B completes it in 30 Days. If A, B & C work together then the work is completed in . What is the difference between numbers of days taken by C alone & that by A alone to finish the same piece of work.
- On sunday Sam drives 75 Km/hr for 1 hr 48 min in his car. Monday he drove 60 Km/hr for x min in the same car. If the distance covered on sunday was 90% of that covered on monday then what is the value of x?
- There was x liters of pure milk in vessel. 20% milk was taken out & replaced with equal quantity of water. Again 25 liter of mixture was taken out & replaced with 6 liters of water. Find the value of x?
- Two taps can fill a tank in 10 hrs & 20 hrs respectively and one can empty in 40 hrs. How much time will it take to fill up the tank, if all the taps are open.
- From 20 litre of pure milk, 8 litre is taken out and filled with same amount of water. Then again 8 litre is taken out from the mixer and filled with pure water. What is ratio of milk and water in final mixture?
- The diagonal of the square of the perimeter of 32 is equal to the length of the rectangle of the area of 144. What is the breadth of the rectangle?
- Two taps can fill a tank in 30 hours and 15 hours respectively. There is one emptying pipe. When all 3 pipes are opened, the took to fill the tank is 12 hours 30 minutes. Find the time in which the emptying pipe can empty the whole tank?
- A, B, C invested 12600, 10800, 18200 respectively. They invested the amount for the same period. Out of total profit C received Rs 16200 as his share. Find the difference between the profits of A and B.
- Rs 10,000 invested in 2 parts. 1 part at 10% compound interest, 2nd part at 20% compound interest. Total amount received at the end of 2 years is given. Find the amount invested at 10% rate of interest.
- Rs X invested at 5% simple interest for 3 years. Total amount received given. If same amount X is invested at 4% simple interest for 4 years, find the amount received.
- 108-litre pure milk in a can. 36-litre milk taken out, and the same quantity of water added. Now 15 litre of mixture taken out, and 7 litre of water added. Water constitutes what % of the total mixture now?
- The Circumference of the semi-circle is 108 cm. Find the circumference of the circle which radius is equal to the diameter of the semicircle.
- The MP of the article is Rs 1500. It is sold at 20% discount. Had it been sold for Rs 100 less, profit of 10% had been made. Find the cost price.
- The number of students in school in 2012 is 3200. In 2013, it increased by 30%. In 2014 it decreased by 5% as compared to 2013. If in 2014, the number of boys is 2893, find the number of girls in school.
- The Side of the square having perimeter 64 cm is equal to the breadth of a rectangle having area 320 sq. cm. Find the perimeter of the rectangle.
- A person covered some distance by car A at ‘X’ km/hr in ‘X’ minutes. He covered remaining part by car B at 23 km/hr in 15 hours. he covered total distance 480 km. Find the value of X.
- The Average of 15 numbers was given. Average of first 4 given, last 9 given. Find the average of 5th and 6th.