If A is equal to √5+1 +√5-1, B is equal to √5-1 +√5+1 then A+B is...? Mcqs

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If A is equal to √5+1 +√5-1, B is equal to √5-1 +√5+1 then A+B is...?

(A) 1
(B) 2

(C) 3
(D) None of these

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A sum of money becomes doubles in 3 years at compound interest, compounded annually at the same rate. In how many years it will become 4 times of itself...?

(A) 5 years
(B) 6 years

(C) 7.5 years
(D) 12 years

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A patient requires a 30% decrease in the dosage of his medication. His current dosage is 340 mg. What will his dosage be after the decrease...?

(A) 70
(B) 238

(C) 270
(D) 340

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If the price of carpet 8-meter-long and 3- meter-wide is Rs. 6288, what will be the price of 12-meter-long and 6-meter-wide carpet:...?

(A) Rs 16654
(B) Rs 18864

(C) Rs 21345
(D) Rs 12768

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If 3a + 5b / 3 * a - 5b = 5 then a: b is equal to...?

(A) 2:1
(B) 2:3

(C) 1:3
(D) 5:2

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If the radius of circle is 1 cm then the area of circle is:...?

(A) 314 mm,
(B) 314 cm²

(C) 314 mm²
(D) None of these

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Ali can type at a speed of 25 words per minute. How many words he can type in one hour...?

(A) 1300
(B) 1200

(C) 1500
(D) 1800

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What is the next term for the sequence 486, 162 , 54, 18, 6....?

(A) 3
(B) 2

(C) 1
(D) 4

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A stone is a unit of which measurement...?

(A) Length
(B) Weight

(C) Area
(D) Volum

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The sum of the reciprocals of A's ages [in years] 2 years ago and 2 years from now is 2/3 , The present age of A is...?

(A) 2 years
(B) 7 years

(C) 4 years
(D) 5 years

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