# Three numbers are in G.P. Their sum is 28 and product is 512. The numbers are

1.  6, 9 and 13

2.  4, 8 and 16

3.  2, 8 and 18

4.  2, 6 and 18

4

4, 8 and 16

Explanation :
No Explanation available for this question

# The sum of the series: 1² + 2² + 3² + 4² + ……+ 15² is

1.  1080

2.  1240

3.  1460

4.  1620

4

1240

Explanation :
No Explanation available for this question

# If the nth term of an A.P. is 4n + 1, then the common difference is

1.  3

2.  4

3.  5

4.  6

4

4

Explanation :
No Explanation available for this question

# If 1/(b – a) + 1/(b – c) = 1/a + 1/c, then a, b, c form a/an

1.  Arithmetic progression

2.  geometric progression

3.  Harmonic progression

4.  None of these

4

Harmonic progression

Explanation :
No Explanation available for this question

# If the second term of a geometric progression is 2 and the sum of the series to infinityis 8, then the first term is

1.  5

2.  2

3.  4

4.  1

4

4

Explanation :
No Explanation available for this question

# Which word does NOT belong with the others

1.  leopard

2.  cougar

3.  elephant

4.  lion

4

elephant

Explanation :
No Explanation available for this question

# Which word does NOT belong with the others

1.  couch

2.  rug

3.  table

4.   chair

4

rug

Explanation :
No Explanation available for this question

# Which word does NOT belong with the others

1.  tape

2.  twine

3.  cord

4.  yarn

4

tape

Explanation :
No Explanation available for this question

# Which word does NOT belong with the others

1.  guitar

2.  ute

3.  violin

4.  cello

4

ute

Explanation :
No Explanation available for this question

1.  tulip

2.  rose

3.  bud

4.  daisy

4