Quiz Discussion

[(?)2 + (18)2] ÷ 125 = 3.56

• 1] 11
• 2] 12
• 3] 14
• 4] 15
• 5] None of these

\(\frac{{4.2 \times 4.2 - 1.9 \times 1.9}}{{2.3 \times 6.1}}\)    is equal to:

• 1] 0.5
• 2] 1
• 3] 20
• 4] 22

How many digits will be there to the right of the decimal point in the product of 95.75 and .02554 ?

• 1] 5
• 2] 6
• 3] 7
• 4] None of these

3889 + 12.952 - ? = 3854.002

• 1] 47.095
• 2] 47.752
• 3] 47.932
• 4] 47.95

If 2994 ÷ 14.5 = 172, then 29.94 ÷ 1.45 = ?

• 1] 0.172
• 2] 1.72
• 3] 17.2
• 4] 172

5/9 of a number is equal to twenty five percent of second number. Second number is equal to 1/4 of third number. The value of third number is 2960. What is 30% of first number ?

• 1] 99.9
• 2] 88.8
• 3] 77.7
• 4] None of these

58.621 - 13.829 - 7.302 - 1.214 = ?

• 1] 31.254
• 2] 35.272
• 3] 36.276
• 4] 37.281
• 5] None of these

Find the value of the following expression upto four places of decimals.

\(\left[ {1 + \frac{1}{{1 \times 2}} + \frac{1}{{1 \times 2 \times 4}} + \frac{1}{{1 \times 2 \times 4 \times 8}} + \frac{1}{{1 \times 2 \times 4 \times 8 \times 16}}} \right]\)

• 1] 1.6414
• 2] 1.6415
• 3] 1.6416
• 4] 1.6428

Solve \(\frac{294 ÷ 14 × 5 + 11}{?}\)    = 82 ÷ 5 + 1.7

• 1] 8
• 2] 6
• 3] 12
• 4] 5
• 5] 10

The correct expression of \(6.\overline {46}\) in the fractional form is:

• 1]

  646/99

• 2]

  64640/1000

• 3]

  640/100

• 4]

  640/99