Quiz Discussion

The sum of first 49 natural numbers is ?

• 1]

  1275

• 2]

  1225

• 3]

  1205

• 4]

  1185

The smallest 3 digit prime number is:

• 1]

  101

• 2]

  103

• 3]

  109

• 4]

  113

(?) - 19657 - 33994 = 9999

• 1]

  63650

• 2]

  59640

• 3]

  53760

• 4]

  61560

• 5]

  None of these

The digit in unit’s place of the product 71 × 72 × ..... × 79 is

• 1]

  2

• 2]

  0

• 3]

  6

• 4]

  4

217 X 217 + 183 X 183

• 1] 89302
• 2] 80578
• 3] 79992
• 4] 70283

A 3-digit number 4p3 is added to another 3-digit number 984 to give the four-digit number 13q7, which is divisible by 11. Then, (p + q) is :

• 1]

  9

• 2]

  10

• 3]

  11

• 4]

  12

• 1] 575648125
• 2] 585628125
• 3] 584638125
• 4] 584649125

The difference between a positive proper fraction and its reciprocal is 9/20. The fraction is:

• 1]

  3/5

• 2]

  3/10

• 3]

  4/5

• 4]

  4/3

P is a whole number which when divided by 4 gives 3 as remainder. What will be the remainder when 2P is divided by 4?

• 1]

  0

• 2]

  1

• 3]

  2

• 4]

  3

(112 X 5^4)

• 1] 6700
• 2] 67000
• 3] 70000
• 4] 76000