A two-digit number is such that the product of the digits is 8. When 18 is added to the number, then the digits are reversed. The number is…
- A 24
- B 18
- C 42
- D 81
The ratio of the prices of three articles X, Y and Z is 8 : 5 : 3. If the prices of X, Y and Z are increased by 25%, 20% and 33 1/3% respectively, then what would be the ratio of the new prices of X, Y and Z…?
- A 5 : 3 : 1
- B 49 : 3 : 2
- C 10 : 7 : 4
- D 10 : 8 : 5
If the area of a square is 49cm, its one side will be…?
- A 7cm
- B 16cm
- C 18cm
- D 20cm
If Ahmed purchases a Watch for Rs 600 and pays 15% sales tax, the total amount spent on purchase is…?
- A 660
- B 670
- C 680
- D 690
z – 3 = 5, z = ?
- A 2
- B 2
- C 3
- D 4
If 6 men can make 10 sofas in 2 days, then 8 men can make 8 sofas in…?
- A 1.8 days
- B 1.5 days
- C 1.2 days
- D 1 day
The binary equivalent of the decimal number 10 is…?
- A 001
- B 1010
- C 101
- D 010
2, 4, 7, 11, 16…?
- A 18
- B 20
- C 22
- D 25
Which is the greatest number…?
- A 1/4 of 236
- B 1/16 of 1028
- C 1/9 of 504
- D 1/3 of 741
The roots of 100×2 – 20x + 1 = 0 is:
- A 1/20 and 1/20
- B 1/10 and 1/20
- C 1/10 and 1/10
- D NOT
If ½ is a root of the quadratic equation x2-mx+5/4=0, then value of m is:
- A 2
- B -2
- C 3
- D -3
Find the average of series: 312, 162, 132, 142, 122…?
- A 194
- B 174
- C 162
- D 186
3.5 can be expressed in terms of percentage as…?
- A 0.35%
- B 350%
- C 3.5%
- D 35%
The equation (x + 1)2 – 2(x + 1) = 0 has…?
- A Two real roots
- B One real root
- C Two equal roots
- D NOT
[(62.25/2.5) + (12.5/0.5)] / [(0.75 * 9) + (3 * 3.5)] = …?
- A 1 17/38
- B 1 38/17
- C 2 38/17
- D NOT
9000 + 16 2/3 % of? = 10500
- A 1500
- B 1750
- C 9000
- D 7500
Find the number which when multiplied by 15 is increased by 196…?
- A 14
- B 20
- C 28
- D 26
In how many ways can three consonants and two vowels be selected from the letters of the word “TRIANGLE”…?
- A 25
- B 13
- C 40
- D 30
The least number of four digits which is divisible by 4, 6, 8 and 10 is…?
- A 1080
- B 1085
- C 1075
- D 1095
A bag contains nine yellow balls, three white balls and four red balls. In how many ways can two balls be drawn from the bag…?
- A 9C2
- B 3C2
- C 1C2
- D 12C2
A fair price shopkeeper takes 10% profit on his goods. He lost 20% goods during theft. His loss percent is…?
- A 8
- B 10
- C 11
- D 12
The word Geometry has been derived from two Greek words…?
- A Geo means Earth
- B Metron Measuremer
- C Hence Geometry
- D Earth measurement
What equal amount of coins of Rs 5, Rs 2, Rs 1, makes a total of 1152…?
- A 432
- B 122
- C 144
- D NOT
A function f:N → N is defined by f(x) = x2+12. What is the type of function here…?
- A Bijective
- B Surjective
- C Injective
- D NOT
Two numbers are respectively 20% and 50% more than a third number. The ratio of two numbers is:
- A 2:3
- B 3:4
- C 4:5
- D 5:6
The area of rectangle is the product of its length and width. If the width of rectangle is decreased 25% and length is increased by 16% than the area:
- A Increase by 7%
- B Decrease by 13%
- C Decrease by 2%
- D NOT
The price of 10 chairs is equal to that of 4 tables. The price of 12 chairs and 2 tables together is Rs 4000. The total price of 12 chairs and 3 tables is:
- A 3500
- B 3750
- C 3840
- D 3900
If x = 3 and y = 2, then 2x + 3y = ?
- A 5
- B 10
- C 12
- D 14
A motorbike is sold for Rs. 60,000 and the profit was 18%, what would be the percentage profit if vehicle was sold for Rs. 55,000?
- A 8.1%
- B 7.1%
- C 6.9%
- D 6.5%
Complete the pattern: OX, QZ, SX…?
- A UW
- B VY
- C UZ
- D WY
Rs. 20 is the true discount on Rs. 260 due after a certain time. What will be the true discount on the same sum due after half of the period time, the rate of interest being the same?
- A Rs. 10
- B Rs. 20
- C Rs. 15.20
- D Rs. 13
Which of the following shapes has the most sides?
- A Triangle
- B Square
- C Pentagon
- D Hexagon
What if x^2 – y^2 = 8 then x – y = ?
- A 4
- B 2
- C 3
- D NOT
Expression which has fixed value…?
- A Algebraic expression
- B Common expression
- C Variable
- D Constant
If a – b = 3 and a^2 + b^2 = 2 the ab = ?
- A 11
- B -7
- C -7/2
- D NOT
Simplify (2+3^2) + (3-2^3) = ?
- A 22
- B 12
- C 11
- D 21
(x^2+5x+4)-(2x^2-3x+6) =
- A 3x^2 + 2x – 2
- B -x^2 + 2x + 10
- C -x^2 + 8x – 2
- D 3x^2 + x – 2
What will come next? 7 + 2 – 1 = H, 22 + 6 – 5 = W, 11 + 6 – 2 = ?
- A N
- B P
- C O
- D M
f(x) = { x for x>0 and 0 for x<0; Which function is this…?
- A Constant
- B Modulus
- C Identify
- D Signum function
A jogger running at 9 kmph alongside a railway track in 240 metres ahead of a 120 metres long train running at 45 kmph in the same direction. In how much time will the train pass the jogger?
- A 3.6 sec
- B 18 sec
- C 36 sec
- D 72 sec
A consistent system of linear equations has:
- A At least one Solution
- B No Solution
- C Minimum two Solution
- D Maximum two Solution
A Tensor is a:
- A Multilinear Function
- B Linear Function
- C Composite Function
- D All of These
If every element of a group G is its own inverse then G is called:
- A Abelian
- B Finite
- C Infinite
- D Cyclic
In the Group of G={2,4,6,8} under multiplication modulo 10, the identify element is:
- A 8
- B 6
- C 2
- D 2
Which of these sets is an ideal in the ring of integers…?
- A The negative Numbers
- B The Positive Numbers
- C The Odd Numbers
- D The Even Numbers
Under Galois theory, the roots of a polynomial is solvable by radicals if and only if the polynomial’s Galois group is:
- A Abelian
- B Prime
- C Cyclic
- D Solvable
Tickets numbered 1 to 20 are mixed up and then a ticket is drawn at random. What is the probability that the ticket drawn has a number which is a multiple of 3 or 5?
- A 1/2
- B 2/5
- C 8/15
- D 9/20
In a mixture 60 liters, the ratio of milk and water is 2:1. If this ratio is to be 1:2, then the quantity of water to be further added is:
- A 20 Liters
- B 40 Liters
- C 60 Liters
- D 80 Liters
If log10 5 + log10 (5x + 1) = log10 (x + 5) + 1, then x is equal to:
- A 1
- B 3
- C 5
- D 9
The least perfect square, which is divisible by each of 21, 36 and 66 is:
- A 213444
- B 214434
- C 214344
- D 231444