Main Subjects
Main Subjects MCQs With Answers
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Computer (406)
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If A can do a job in 10 days and B can do it in 15 days, how many days will they take working together?
A5
B6
C8
D9
A boat goes 12 km downstream in 2 hours and returns upstream in 4 hours. What is the speed of the stream?
A1.5 km/h
B2.0 km/h
C2.5 km/h
D3.0 km/h
The perimeter of a rectangle is 60 cm. If its length is twice its width, what is the area of the rectangle?
A150 cm²
B200 cm²
C225 cm²
D300 cm²
In a class of 50 students, 60% passed in English and 50% passed in Math. If 20% passed in both, how many failed in both?
A5
B8
C10
D12
What is the simplified value of (0.2 * 0.2 + 0.2 * 0.02) / 0.04?
A1.02
B1.1
C1.2
D2.1
A sum becomes Rs. 2600 in 2 years and Rs. 3200 in 5 years at simple interest. What is the annual interest?
ARs. 180
BRs. 200
CRs. 220
DRs. 250
Present ages of A and B are in ratio 3:4. After 5 years, the ratio becomes 4:5. What is A’s present age?
A12 years
B15 years
C18 years
D20 years
If the ratio of the areas of two squares is 16:25, what is the ratio of their perimeters?
A4:5
B2:5
C16:25
D8:25
A bag contains 3 red, 4 white, and 5 blue balls. Two balls are drawn at random. What is the probability that both are red?
A1/22
B3/22
C1/11
D5/22