DDA JE Civil Paper 1 April 2023 Shift 2 Part 7

Q1. The average marks in mathematics of two sections A and B of class X in the annual examination is 76. The average marks of section A is 80 and that of section B is 70. If the number of students of section A is 30 more than that of section B, then the number of students in section A is:

1. 84
2. 90
3.96
4. 87

Correct Option: 2

Q.2 The average of 13 results is 60. If the average of the first seven results is 56 and that of the last seven is 65, then the seventh result is:

1. 64
2.66
3. 67
4.65

Correct Option: 3

Q.3 The number of bricks each measuring 18 cm x 15 cm x 12 cm required to build a wall measuring 12 m x 0.45 m X 1.89 m if of its volume is taken by mortar is:

1. 2295
2. 2565
3. 2475
4. 2385

Correct Option: 3

DDA JE Civil Paper 1 April 2023 Shift 2 Part 7

Q4. Two trains start at same time from the stations A and B, respectively, and travel towards each other at speeds of 50 km/h and 60 km/h, respectively. At the time they meet, the faster train has travelled 45 km more than the slower train. What is the distance (in km) between the two stations?

1.545
2. 445
3.385
4. 495

Correct Option: 4

Q5. A trader sells an article at a profit of 15%. Had he bought it at 10% more and sold it for ₹34 more, he would have earned a profit of 20%. The cost price of the article (in 2) is:

1. 350
2. 200
3. 250
4. 300

Correct Option: 2

DDA JE Civil Paper 1 April 2023 Shift 2 Part 7

Q.6 If the sides of a triangle are 12 cm, 15 cm and 17 cm, then the area (in cm2) of the triangle formed by joining the mid- points of the sides of this triangle is (take √77 = 8.775):

1. 22.2275
2. 21.9375
3. 23.1275
4. 24.0625

Correct Option: 2