Question
Which of the following interchange of signs would make
the given equation correct? 42 ÷ 7 − 64 + 11 × 6 = 4Solution
The correct answer is D
Ratio of males to females in village ‘A’ and village ‘B’ is 4:5 and 15:16, respectively and number of females in village ‘B’ is 25% more tha...
The monthly incomes of individuals 'A' and 'B' are proportional, with 'A' earning at a ratio of 5:3 compared to 'B'. Their monthly savings follow a rati...
If the third proportion of 14 and 28 is “0.5k”, then find the value of (k − 10) : (k + 8).
In an institute, the average score on an IBACIO Scholarship test for 52 aspirants is 51. Excluding the scores of the top 5 performers, the average score...
If A:B = 3:4 and B:C = 5:7, then find the value of A:B:C.
In a coaching institute, there are 80 mathematics teachers, 60 English teachers, 100 physics teachers, and 40 chemistry teachers. The ratio of male to f...
In a class of 250 students, 150 are girls and remaining are boys. Among boys, the ratio of number of boys who are wearing caps to those who are not wear...
The ratio of the incomes of Vineet and Vidya is 12:5 respectively. Vineet saves 25% of his income while Vidya saves 20% of his income. The sum of their...
The ratio of the times taken by Aman, Bharat, and Charan to complete a task is 3:5:7 respectively. Dev takes 4 minutes more than Aman. If the difference...
Three numbers are in ratio 6:7:9. If the sum of the squares of those three numbers is 664 then find the sum of the three numbers.
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