If x2 + ax + b, when divi | Problems on Numbers Questions & Answers

Q:

10 Consecutive numbers are given. If the average of the two numbers given in the middle is 13.5, then what is the sum of the first 6 numbers?

A) 65	B) 59
C) 69	D) 80

Answer & Explanation Answer: C) 69

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Q:

1.1 + 12.12 + 123.123 = ?

A) 134.343	B) 133.433
C) 132.123	D) 136.343

Answer & Explanation Answer: D) 136.343

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Q:

Which of the following is in ascending order?

A) 2/3, 3/4, 4/5, 1/2	B) 3/4, 4/5, 1/2, 2/3
C) 1/2, 2/3, 3/4, 4/5	D) 4/5, 1/2, 2/3, 3/4

Answer & Explanation Answer: C) 1/2, 2/3, 3/4, 4/5

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Q:

Find the least number to be added to 1739 so that it is exactly divisible by 11.

A) 11	B) 2
C) 1	D) 10

Answer & Explanation Answer: D) 10

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Q:

Which instrument is used for viewing the sun?

A) Stroboscope	B) Telescope
C) Helioscope	D) Sun meter

Answer & Explanation Answer: C) Helioscope

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Q:

Which of the following is the least of all?

A) 0.5	B) 1/0.5
C) 0.5 * 0.5	D) 0.5 * 2

Answer & Explanation Answer: C) 0.5 * 0.5

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Q:

If the sum of digits is 9 and the difference between the digit in the ten's place and unit's place is 1, then the two-digit number is?

A) 45	B) 63
C) 54	D) 72

Answer & Explanation Answer: C) 54

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Q:

Which of the following numbers is composite?

A) 47	B) 57
C) 37	D) 67

A) -14	B) -38
C) 14	D) 38

If $x^{2} + ax + b$ , when divided by x + 3, leaves a remainder of -1 and $x^{2} + bx + a$ , when divided by x - 3, leaves a remainder of 39, then a+ b = ?

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If x2 + ax + b, when divided by x + 3, leaves a remainder of -1 and x2 + bx + a, when divided by x - 3, leaves a remainder of 39, then a+ b = ?

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If $x^{2} + ax + b$ , when divided by x + 3, leaves a remainder of -1 and $x^{2} + bx + a$ , when divided by x - 3, leaves a remainder of 39, then a+ b = ?