1 .
The average age of husband and wife, who were married 5 years ago, was 22 years at the time of their mariage. Now the average age of family including husband, wife and a child (born during the interval) is 19 years. What is the present age of child?
Answer & Explanation
Answer : Option C |
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Explanation : |
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Let the present age of the child = xyears
Sum of the present ages of husband and wife = 2 $\times$ (22 + 5) = 54 years
Sum of the present ages of the family member = 3 $\times$ 19 = 57 years
ATQ, 54 + x= 57 years
x= 3 years
Present age of child = 3 years |
2 .
The radius of the driving wheel of a bus is 35 cm. How many revolutions per minute must the wheel make in order to keep a speed of 33 km/hr ?
Answer & Explanation
Answer : Option B |
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Explanation : |
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3 .
Read the bar graph given below and answer the questions based on it.
The survey of daily incomes of the familes of a locality.
How many families are surveyed?
Answer & Explanation
Answer : Option C |
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Explanation : |
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The number of families
= 25 + 15 + 35 + 10 + 20 + 30 + 20 + 45+ 35 + 30
= 265 |
4 .
Read the bar graph given below and answer the questions based on it.
The survey of daily incomes of the familes of a locality.
The number of families, whose daily incomes are Rs. 1200 or above Rs. 1200, is
Answer & Explanation
Answer : Option B |
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Explanation : |
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Required number of families = 45 + 35 + 30 = 110 |
5 .
Read the bar graph given below and answer the questions based on it.
The survey of daily incomes of the familes of a locality.
The number of families, whose daily incomes are Rs. 700 or below Rs. 700, is
Answer & Explanation
Answer : Option D |
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Explanation : |
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Required number of families = 35 + 15 + 25= 75 |
6 .
Read the bar graph given below and answer the questions based on it.
The survey of daily incomes of the familes of a locality.
The number of families, whose daily incomes are more than Rs.800 but less than Rs. 1100, is
Answer & Explanation
Answer : Option C |
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Explanation : |
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Required number of families = 20 + 30 = 50 |
7 .
Read the bar graph given below and answer the questions based on it.
The survey of daily incomes of the familes of a locality.
What percent of families have their daily incomes Rs. 800 or less than Rs. 800?
Answer & Explanation
Answer : Option C |
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Explanation : |
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Required percentage = $85\over 265$ $\times$ 100 = 32.07% |
8 .
The value of $(16)^ {0.31}$ $\times$ $(4)^ {1.38}$ $\times$ $2^ 3 $ is
Answer & Explanation
Answer : Option D |
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Explanation : |
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9 .
If A = $6 \over 7$ , B = $7 \over 9$, C = $2 \over 5$ and D = $1 \over 8$, then which of the following is true ?
Answer & Explanation
Answer : Option B |
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Explanation : |
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10 .
Four consecutive positive even numbers are such that thrice the first number is equal to twice the fourth number, then the third number is
Answer & Explanation
Answer : Option A |
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Explanation : |
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Let the number is -
x, x+ 2, x+ 4, x+ 6
ATQ,
3 $\times$ x = 2 $\times$ (x+ 6)
3x- 2x = 12
x = 12
Third number = 2 + 4 = 16 |
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