If 4x - 7y = 3 and 2x - y = 9, then x - y is.1). 32). 43). 54). 6
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1. If in a two digit number, the digit at unit place is z and the digit at tens place is 8, then the number is
2. Rahul, Prem, Shyam, Geet and Rinku are five friends among which Shyam is the tallest. Rahul is shorter than Prem but taller than Rinku. Geet is little shorter than Prem but little taller than Rahul. Who is taller than Rinku but shorter than Geet?
3. If a+b+c=15 and $\frac{1}{a}+\frac{1}{b}+\frac{1}{c}$=$\frac{71}{abc}$ then the value of $a^{3}+b^{3}+b^{3}$- 3abc is
4. In the following questions, one part of the sentence may have an error. Find out which part of the sentence has an error and click the button corresponding to it. If the sentence is free from error, click the 'No error' option.Variety (A)/ is (B)/ spice of life (C)/ No Error (D)
5. What do you mean by 'Density of Population'?
6. In a class of 60 students there are 30 girls. The average weight of these girls is 58 Kg and average weight of the full class is 63 kgs. What is the average weight of the boys of the class?
7. Select the related word/letters/number from the given alternatives.School: Study :: Laboratory: ?
8. Rashtrapati Bhavan was built in _________.
9. Three consecutive natural numbers are such that the square of the greatest is greater than the product of the other two by 19. The smallest of these numbers is
10. Select the odd word/letters/number/number pair from the given alternatives.
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