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1)
If the price of an English novel decreases from Rs 255.50 to Rs 230.25. What is the percentage decrease?
- A) 8.9 %
- B) 9.9 %
- C) 10.9%
- D) 11.9 %
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2)
You invested $500 and received $650 after three years. What had been the interest rate?
- A) 20%
- B) 30%
- C) 40%
- D) 25%
-
3)
Amount of discount is obtained as
- A) Percentage of Discount x List Price
- B) Percentage of Discount / List Price
- C) Percentage of Discount - List Price
- D) None of these
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4)
If A is the matrix of dimension 2×3 and I is the identity matrix of dimension 3× 3. Then which of the following is true
- A) AI = I
- B) AI = A
- C) A + I = A
- D) A + I = I
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5)
Interest paid (earned) on both the original principal borrowed (lent) and previous interest earned is often referred to as
- A) future value
- B) compound interest
- C) simple interest
- D) present value
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6)
If A= [a b c] is a matrix then in order to find AB, the number of columns B must have are
- A) 3
- B) 2
- C) 1
- D) any non zero number
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7)
3x^2 + 5x – 7 is --------------- expression
- A) Monomial
- B) Binomial
- C) Trinomial
- D) Linear
-
8)
Find x if 2x + 6 = 10.
- A) 8
- B) 2
- C) -2
- D) -8
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9)
If matrix A has an order 3*3 and matrix B has an order 3*2, then the order of a matrix A*B is ………
- A) 3*3
- B) 2*3
- C) 3*2
- D) 2*2
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10)
If x: y = y: 1, then
- A) X = y
- B) X = y^2
- C) X = y / x
- D) X = -y
