Question
A question is given, followed by three statements I, II
and III. Identifry which of the statements is/are sufficient to answer the question. Question: What is the value of (a - c)? Statements: I. (a+b):c = 8:3 and (a+b+c ) = 2772 II. a:(a+c) = 2:5Â III. a:(b+c) = 34 :43Solution
The correct answer is A
The ratio of length and breadth of a rectangular field is 5:9. If the total cost of surrounding it at the rate of Rs 7.50 per meter is Rs 4200, then fin...
What is the mean value of the following set of data?
9, 11, 13, 15, 12, 10, 14, 16
Find the standard deviation of the following data (rounded of the two decimal places).
5,3,4,7
5 years ago, A was 1/3 of B’s age. If the ratio of their present ages is 2:5, what will be the sum of their present ages?
What will be the mode of the following data?
13, 15, 31, 12, 27, 13, 27, 30, 27, 28 and 16
24, 29, 62, ?, 758, 3791
...A total of Rs. 558 was distributed among P, Q, R, S, T, and U. The amounts they received were in descending order and formed an arithmetic progression. ...
A, B and C invested in partnership. A invest Rs.9000 for 5 months, B invests Rs.7000 for 3 months and C invests Rs.12000 for 2 months. C is working part...
The test scores of 10 students out of a maximum of 50 are recorded as 40, 38, 42, 35, 40, 42, 36, 40, 37, and 42. Find the sum of the modes of this set ...
Calculate the mean of these values:
25, 30, 28, 27, 29, 26, 32, 31
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