If an-2=3n-1 find the value of an:...? Mcqs

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If an-2=3n-1 find the value of an:...?

(A) 2n+3
(B) 3n-5

(C) 2n+2
(D) None of these

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Three quantities a, b, c of a: b=1:2, b:c 2:3 then it continues as______...?

(A) 3:4:5
(B) 2:3:4

(C) 1:2:3
(D) None of these

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A student obtain 75%, 80% and 85% in three subjects, if the marks of another subject are added then the number can't be less than...?

(A) 60%
(B) 70%

(C) 80%
(D) None of these

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Alia can complete an assignemnt in 5 days and Babar can complete the same assignment is 20 days. The time taken by both Alia and Babar to complete the assignment working together is:...?

(A) 3 days
(B) 5 days

(C) 4 days
(D) 2 days

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If A: B2:3 and B: C = 4: 5, then A: B: C =...?

(A) 8:12:15
(B) 9:11:15

(C) 9:17:18
(D) 12:15:25

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Find interest on Rs 40,000 at the rate of 3% annually for 4 years investment:...?

(A) Rs 5000
(B) Rs 4700

(C) Rs 4800
(D) Rs 4900

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What is the fractional value of 12.5%...?

(A) 1/4
(B) 2/9

(C) 1/5
(D) 1/8

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3 boxes have some average weight. When one box which weights 89 kg is replaced by another box, the average weight increases by 5 kg. How much the new box weighs...?

(A) 109 kg
(B) 94 kg

(C) 104 kg
(D) 84 kg

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6×6 inch tiles rate Rs. 60 room area of 10×6 feet. The total cost of tiles flooring is...?

(A) Rs14000
(B) Rs14400

(C) Rs15000
(D) Rs15400

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A manufacturer of TV sets produced 600 units in the third year and 700 units in the seventh year. Assuming that the production increases uniformly by a fixed number every year, find the production in the first year?...?

(A) 250 TV sets
(B) 350 TV sets

(C) 450 TV sets
(D) 550 TV sets

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