Surds and Indices practice test
1. What is the value of (512)1/3 + (512)2/9 + (512)1/9 ? A 14 B 16 C 12 D none […]
1. What is the value of (512)1/3 + (512)2/9 + (512)1/9 ? A 14 B 16 C 12 D none […]
1. Speed of a boat in standing water is 9 kmph and the speed of the stream is 1.5 kmph. A man rows to a place at a distance of
1. If (x-k) is a common factor of the equations 4×2– 9x + 5 = 0 and (p-1) x2 – 3x-1 = 0 and k <= 1, then find the
1. The four walls and ceiling of a room of length 25 ft., breadth 12 ft. and height 10 ft. are to be painted. Painter A can Paint 200 sqr.ft in
1. Two dice are thrown simultaneously. What is the probability of getting two numbers whose product is even? A 1/2 B 3/4 C
1. A box contains 3 white balls, 4 black balls and 5 yellow balls. In how many ways can 4 balls be drawn from the box, if at least one
1. Find the 15th term of an arithmetic progression whose first term is 2 and the common difference is 3. A 45 B 38 C
1. Three companies are working independently and receiving the savings 20%, 30%, 40%. If the companies work combinely, what will be their net savings? A 20 B
1. Which of the following is larger than 3/5? A 39/50 B 1/2 C 59/100 D 3/10 Answer: Option A Explanation: 3/5 = 6/10, 1/2 =
1. My cousin lends me Rs.10 lakhs for studying in United States at 8% compound interest per annum, during the course period of 2 years and at 12% per annum
1. A man buys an article for Rs.27.50 and sells it for Rs.28.60. Find the gain percent. A 6 B 4 C 7 D 8 Answer:
1. If 20% of a = b, then b% of 20 is the same as: A. 4% of a B. 5% of a C. 20% of a D. None of
1. Anand finishes a work in 7 days, Bittu finishes the same job in 8 days and Chandu in 6 days. They take turns to finish the work. Anand on
1. A train 800 metres long is running at a speed of 78 km/hr. If it crosses a tunnel in 1 minute, then the length of the tunnel (in meters)
1. The average income of A and B is Rs 6000 and that of C,D,E is Rs 8000. The average income of all the 5 people is A. 7000 B
1. The ratio of the number of boys and girls in a college is 7 : 8. If the percentage increase in the number of boys and girls be 20%
1. The least number which when divided by 5, 6 , 7 and 8 leaves a remainder 3, but when divided by 9 leaves no remainder, is: A