Dotcom Placement Papers - Numerical Reasoning Questions

Dotcom Placement Papers - Numerical Reasoning Questions

In this section the students can expect questions based on area, percentage, speed, age problem, etc.

In this section there will be objective type questions, where the students have to select the correct option from the given options.

Here are a few questions asked in the written test of Dotcom:

1. A radio, when sold at a certain price gives a gain of 20%. What will be the gain in percent, if sold for thrice this price?

(A) 260%
(B) 150%
(C) 100%
(D) 50%
(E) None of these

2. The front tire of a bus is 140 cm in diameter. How many revolutions per minute must the wheel make to keep a speed of 66 kmph? At a speed of 66 KMPH, what would be the RPM of the tire?

(A) 100
(B) 250
(C) 150%
(D) 130%

3. In a small town 5/9 of the population are males. Find out the percentage of single females in the total population if 30% of the males have tied the knot?

(A) (250/8)%
(B) (150/9)%
(C) (250/9)%
(D) (130/9)%

4. What day is the last day if the first day of 1999 is a Sunday?

(A) Sunday
(B) Monday
(C) Thursday
(D) Tuesday

5. Deepika’s mother was four times older than her daughter about ten years ago. Mother will be twice as old as her daughter after ten years. What is the current age of Deepika.

(A) 10 Years 6 Months
(B) 12 years 3 months
(C) 20 Years
(D) 23 Years II.

6. Find out the third digit from the following scenario. There is a three digit number which contains 9, 5 and one more number. The output of this calculation will consist of the same three digits arranged in a different order, when the digits are reversed and then subtracted from the original number.

(A) 1
(B) 2
(C) 4
(D) 4.5

7. In a garden, Ramesh built a perimeter around the square plot of land. How many poles were required if he used 27 poles in fencing on each side of the plot?

(A) 100
(B) 104
(C) 109
(D) 110

8. In the first semester, Veer scored 60 in his test exams. But then he scores 75% in the second semester exams. Calculate the percentage by which his scores improve?

(A) 25%
(B) 32%
(C) 23%
(D) 45%

9. Ajay travels 1200 km by a plane, which consisted of 2/5th of his tour. He then travels one third of the whole trip by a jeep and then covers the remaining journey by train. Calculate the distance traveled by train.

(A) 850 km
(B) 290 km
(C) 900 km
(D) 200 km

10. In an office, 1/5th of the lady staff and 1/8th of the gents staff took part in a blood donation camp. Calculate the fraction of the total number of staff in the office took part in the blood donation camp?

(A) 4/8
(B) 1/13
(C) 7/5
(D) 2/13

11. (48* 148)/ (98*198)=?

(A) 2.73
(B) 2.51
(C) 2.78
(D) 2.11

12. What will be the area of the square, if the perimeter of the same square is 164 meters?

(A) 1682 sq meters
(B) 1681 sq meters
(C) 1683 sq meters
(D) 1687 sq meters

13. The average of the ages of my three friends is 23 years. What will be the age of the 4th friend, if I add his age the average remains same 23 years?

(A) 27
(B) 24
(C) 22
(D) 23

14. v4556 + v7943 – 56 =?

(A) 270
(B) 240
(C) 200
(D) 100

15. What will be the smaller number, if the product of the two successive numbers is 1980?

(A) 44
(B) 20
(C) 25
(D) 45