1. Each side of an equilateral triangle is increased by 20%. The percentage increase in its area is-

1) 44% 2) 42% 3) 40% 4) 46% 5) None of these

2.The length of a rectangular plot is 15 metres. If the cost of cultivating the plot at `13.20 per metres^{2 } is `5346. Find the breadth of plot.

1) 23 m. 2) 25 m. 3) 27 m. 4) 29 m. 5) 30 m.

3. A cistern is constructed to hold 300 litres, and the base of the cistern is one square meter. What is the depth of the cistern? (A cubic metre is equal to 1000 litres.)

1) 35 cm. 2) 30 cm. 3) 40 cm. 4) 45 cm. 5) None of these

4. How many cubic metres of the earth must be dug out to sink a well 22 m. deep. If the cost of plastering the inner surface of the wall at `23.5 per square meter is `22748.

1) 8338 m^{3}

2) 3838 m^{3}

3) 3883 m^{3}

4) 3388 m^{3}

5) None of these

5. Find the slant height of a cone whose volume is equal to 3080 m^{3 }and the diameter of whose base is 28 m. (Ans. in approx. value)

1) 18.5 m 2) 20.5 m 3) 23.5 m 4) 26.5 m 5) 29.5 m

126. The probability that a leap year selected at random will contain either 53 Monday or 53 Tuesday is-

7. A book contains 1000 pages. A page is chosen at random. The probability that the sum of the digits of the marked number

on the page is equal to 9.

8. You are given a box with 30 cards in it. 10 of these cards have letter 'B' printed on them. the other ten have the letter "S"

printed on them, and other ten have the letter 'C' printed on them. If you pick up 3 cards at random and keep them. in same

order, the probability of making the word 'BSC' is-

9. If the difference between CI and SI on a certain sum of money for 3 years at 8% per annum is `308, find the sum.

1) `15562 2) `16255 3) `15625 4) `16525 5) None of these

10. The simple interest on sum of money will be `200 after 4 years. In next 8 years principal be comes tripled. What will be the total interest at the end of the 12 year?

1) `1200 2) `1400 3) `800 4) `1000 5) None of these

Answers :-

6.3; In a leap year 366 day

or, 52 week and 2 days. these 2 days will be

1. Sunday and Monday

2. Monday and Tuesday

3. Tuesday - Wednesday

4. Wednesday - Thursday

5. Thursday - Friday

6. Friday-Saturday

7. Saturday - Sunday

Required Probability = 3/7

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