CHSL quants quiz 3

If the distance between the centres of two circles is 12 cm and the radii are 5 cm and 4 cm, then the length (in cm) of the transverse common tangent is?

• 9

• √143

• √63

• 7

• A

• B

• C

• D

Calchoro sold his computer at three successive discounts of 18%, 12% and 5%. If the marked price of the computer is Rs.36000, then find the net selling price of the computer. (Correct to two places of decimals)

• 24,786.72

• 24,678.72

• 24,687.72

• 24,876.72

• 150,70

• 70,150

• 90,120

• 120,90

A direct common tangent is drawn to two circles of radius 25 cm and 20 cm. The centres of the two circles are 35 cm apart. What's the length (in cm) of the tangent?

• 25√2

• 25√3

• 20√3

• 20√2

If (a-b)=9 and (a³-b³)=4401, find the value of ab.

• 190

• 136

• 112

• 162

The average weight of group A and group B is 12 kg and 24 kg. The ratio of the members in group A to group B is 1:2. Find the combined average of both groups.

• 16 kg

• 22 kg

• 20 kg

• 18 kg

If A = 60⁰, B=30⁰, then find the value of sinA cosB + cosA sinB

• 0

• 12

• 13

• 1

• 22.5

• 34

• 25.5

• 36

A is working partner and V is a sleeping partner in buisness. A invested 30,000 and B invested 50,000. A recieves 20% of the profit for managing the buisness and the rest is divided into proportion to their capital. What does B get out of the profit of Rs10,000.

• 5500

• 5000

• 4500

• 4000