CHSL maths quiz quantitive

Simplify :

0.09*0.09 + 0.04*0.04 + 0.16*0.16 + 2*0.09*0.04 + 2*0.04*0.16 + 2*0.09*0.16

/

0.3*0.3 +0.2*0.2 + 0.4*0.4

• 0.38

• 0.24

• 0.32

• 0.29

• 1

• -2

• -1

• 2

Two years ago, Morioh Cho had population of 60,000. It increased by 5% in first year, but due to pandemic, it decreased by 10% in second year. What the present population (after the end of 2 years)?

• 56700

• 56900

• 3300

• 55700

If a man purchases kismis at Rs 320 per kg and sells it at Rs 6 per 25 grams, then his profit/loss percentage is ?

• 20% loss

• 20% profit

• 25% loss

• 25% profit

Kapil started a buisness with an investment of Rs.30,00,000 in April 2022. After six months, his friend Kunal joined him with an investment of Rs.25,00,000. In Feburary 2023, Kapil ex classmate Saloni also invested equal amount to the total investment made by earlier two partners. In what ratio the profit earned after 3 years from the date on which Kapil initiated the buisness will be distributed?

• 332 : 200 : 50

• 108 : 75 : 143

• 432 : 200 : 55

• 432 : 400 : 55

• A

• B

• C

• D

In a triangle ABC, side BC is produced to D such that angle ACD=127⁰. If angle ABC=35⁰, then find angle BAC.

• 82⁰

• 92⁰

• 95⁰

• 75⁰

• Rani

• Ravi

• Raju

• Rekha

A boy covers a certain distance between his house and school on a cycle. Riding on an average speed of 15 km per hour. He is late by 10 minutes. However, with an average speed of 20 km per hour, he reaches the school 5 minutes earlier. Find the distance between his house and school.

• 25 km

• 20 km

• 15 km

• 30 km

• 4

• 8

• 7

• 6