Mathematics Questions & Answers for Competitive Exams

121. Simplify

(A) 80.41
(B) 46.29
(C) 53.25
(D) 70.25

122. If 855 ÷ 15 − k + 32 × 5 = 1152 ÷ 16 × 111 ÷ 37, then the value of k is:

(A) 2
(B) 1
(C) 0
(D) 3

123. Ronak and Riya can do a work in 12 and 18 days, respectively. They worked together for six days and then Ronak left. Find the time taken by Riya to complete the work.

(A) 5 days
(B) 7 days
(C) 6 days
(D) 3 days

124. Two towns P and Q are 275 km apart. A motorcycle rider starts from P towards Q at 10:00 a.m. at the speed of 25 km/h. Another rider starts from Q towards P at 12 noon on the same day at the speed of 20 km/h. At what time will they cross each other?

(A) 3:00 p.m.
(B) 5:00 p.m.
(C) 1:15 p.m.
(D) 4:30 p.m.

125. In a class, there are 60 students. The average weight of the entire class is 42 kg. If there are 36 boys in the class and the average weight of all the boys is 50 kg, then what is the average weight (in kg) of all the girls?

(A) 30
(B) 32
(C) 36
(D) 34

126. A shopkeeper gives a discount of 12% on the purchase of 10 kg of sugar. The cost price of the sugar is ₹30/kg, and the marked price is ₹38/kg. The weighing machine of the shopkeeper is faulty, and it shows weight of 1 kg when the actual weight is 900 grams. Find the percentage profit of the shop keeper (rounded off to two decimal places).

(A) 30.18%
(B) 12.5%
(C) 22.25%
(D) 23.85%

127. Simplify (4 + 4) × (4 ÷ 4) × (4 × 4).

(A) 144
(B) 130
(C) 128
(D) 124

128. A man travels 1200 km by train at 80 km/h, 1600 km by ship at 40 km/h, 1000 km by plane at 400 km/h, and 200 km by car at 50 km/h. What is the average speed for the entire distance? (rounded off to 2 decimal places)

(A) 75.40 km/h
(B) 68.14 km/h
(C) 72.40 km/h
(D) 65.04 km/h

129. If the radius of a sphere is increased by 125%, then by what percentage will its surface area increase (correct to two decimal places)?

(A) 506.25%
(B) 509.54%
(C) 409.76%
(D) 406.25%

130. On the tag price, a seller offers a 10% discount and a cashback of ₹250. He still earns 10% profit. If the cost price is ₹1,200, then the tag price (rounded off to 2 decimal places) is ₹______.

(A) 1447.44
(B) 1777.44
(C) 1744.44
(D) 1774.44

Total Quizz:- 2541

Mathematics

Mathematics is a core subject in many competitive exams, and proficiency in this area is essential for solving quantitative problems efficiently. Online Sarkari Exam provides a wide range of resources to help you master mathematical concepts and techniques. Our materials include step-by-step solutions, practice problems, and interactive tutorials covering topics such as algebra, arithmetic, geometry, and statistics.

We focus on problem-solving strategies and shortcuts that can help you tackle complex questions quickly. Our practice tests are designed to simulate actual exam conditions, allowing you to gauge your proficiency and improve your speed and accuracy.

121. Simplify

122. If 855 ÷ 15 − k + 32 × 5 = 1152 ÷ 16 × 111 ÷ 37, then the value of k is:

123. Ronak and Riya can do a work in 12 and 18 days, respectively. They worked together for six days and then Ronak left. Find the time taken by Riya to complete the work.

124. Two towns P and Q are 275 km apart. A motorcycle rider starts from P towards Q at 10:00 a.m. at the speed of 25 km/h. Another rider starts from Q towards P at 12 noon on the same day at the speed of 20 km/h. At what time will they cross each other?

125. In a class, there are 60 students. The average weight of the entire class is 42 kg. If there are 36 boys in the class and the average weight of all the boys is 50 kg, then what is the average weight (in kg) of all the girls?

127. Simplify (4 + 4) × (4 ÷ 4) × (4 × 4).

128. A man travels 1200 km by train at 80 km/h, 1600 km by ship at 40 km/h, 1000 km by plane at 400 km/h, and 200 km by car at 50 km/h. What is the average speed for the entire distance? (rounded off to 2 decimal places)

129. If the radius of a sphere is increased by 125%, then by what percentage will its surface area increase (correct to two decimal places)?

130. On the tag price, a seller offers a 10% discount and a cashback of ₹250. He still earns 10% profit. If the cost price is ₹1,200, then the tag price (rounded off to 2 decimal places) is ₹______.

Total Quizz:- 2541

Mathematics

English Topic Wise Quizz

Current Affairs Topic Wise Quizz

Hindi Topic Wise Quizz

Important Links

Subjects

Subjects

Exams

Mathematics

Home / Subject / Mathematics

121. Simplify

122. If 855 ÷ 15 − k + 32 × 5 = 1152 ÷ 16 × 111 ÷ 37, then the value of k is:

123. Ronak and Riya can do a work in 12 and 18 days, respectively. They worked together for six days and then Ronak left. Find the time taken by Riya to complete the work.

124. Two towns P and Q are 275 km apart. A motorcycle rider starts from P towards Q at 10:00 a.m. at the speed of 25 km/h. Another rider starts from Q towards P at 12 noon on the same day at the speed of 20 km/h. At what time will they cross each other?

125. In a class, there are 60 students. The average weight of the entire class is 42 kg. If there are 36 boys in the class and the average weight of all the boys is 50 kg, then what is the average weight (in kg) of all the girls?

127. Simplify (4 + 4) × (4 ÷ 4) × (4 × 4).

128. A man travels 1200 km by train at 80 km/h, 1600 km by ship at 40 km/h, 1000 km by plane at 400 km/h, and 200 km by car at 50 km/h. What is the average speed for the entire distance? (rounded off to 2 decimal places)

129. If the radius of a sphere is increased by 125%, then by what percentage will its surface area increase (correct to two decimal places)?

130. On the tag price, a seller offers a 10% discount and a cashback of ₹250. He still earns 10% profit. If the cost price is ₹1,200, then the tag price (rounded off to 2 decimal places) is ₹______.

Total Quizz:- 2541

Mathematics

English Topic Wise Quizz

Current Affairs Topic Wise Quizz

Hindi Topic Wise Quizz

Important Links

Subjects

Subjects

Exams