# The volume of a sphere is 88/21×(14)3 cm3. The curved surface of the sphere is (Take ∏ = 22/7)

1.  2424 cm2

2.  2446 cm2

3.  2484 cm2

4.  2464 cm2

4

2464 cm2

Explanation :
No Explanation available for this question

# Two vessels A and B contain milk and water mixed in the ratio 3:1 and 5:3 respectively. Find the ratio in which these mixtures be mixed to obtain a new mixture containing milk and water in the ratio 2:1.

1.  3:1

2.  2:3

3.  1:2

4.  1:3

4

1:2

Explanation :
No Explanation available for this question

# A circular wire of radius 7.5 cm is cut and bent so as to lie along the circumference of a hoop whose radius is 120 cm. Find in degrees the angle which is subtended at the centre of the hoop.

1.  220

2.  220 30`

3.  32

4.  320 30`

4

220 30`

Explanation :
No Explanation available for this question

# In an examination 34% failed in Mathematics and 42% failed in English. If 20% failed in both the subjects, the percentage of students who passed in both subjects was

1.  54

2.  50

3.  44

4.  56

4

44

Explanation :
No Explanation available for this question

# If (3a + 1)2 + (b - 1)2 + (2c - 3)2 = 0, then the value of (3a + b + 2c) is equal to:

1.  3

2.  -1

3.  2

4.  5

4

3

Explanation :
No Explanation available for this question

# In an election between two candidates, 75% of the voters cash their votes, out of which 2% votes were declared invalid. A candidate got 9261 votes which were 75% of the valid votes. The total number of voters enrolled in that election was

1.  16000

2.  16400

3.  16800

4.  18000

4

16800

Explanation :
No Explanation available for this question

# Out of 10 teachers of a school one teacher retires and in his place, a new teacher of age 25 years joins. As a result, average age of teachers reduces by 3 years. The age of the retired teacher is

1.  50 years

2.  55 years

3.  58 years

4.  60 years

4

55 years

Explanation :
No Explanation available for this question

# Oranges are bought at the rate of 10 for Rs. 25 and sold at the rate of 9 for Rs. 25. The profit is

1.  9 1/11%

2.  10%

3.  11 1/9%

4.  12 1/2%

4

11 1/9\%

Explanation :
No Explanation available for this question

# ABCD is a cyclic trapezium such that AD || BC, if

1.  600

2.  700

3.  400

4.  800

4

700

Explanation :
No Explanation available for this question

1.  3:2

2.  4:1

3.  2:1

4.  2:3

4