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Ques:- A prime number N, in the range 10 to 50 remains unchanged when its digits are reversed. The square of such a number is
A. 1936
B. 1089
C. 484
D. 121
Ques:- Mr. Rahul spends 30% of his monthly salary on domestic expenses. He spends respectively 20% and 10% of the remaining salary on education of children and conveyance. Of the remaining amounts now he spends respectively 20% and 30%on entertainment and maintenance of house. He saves Rs.5512.50. what is the monthly salary of Mr. Rahul?
A. Rs. 22,500
B. Rs. 20,000
C. Rs. 25,000
D. Rs. 24,500
E. None of these
Ques:- Which one of the following rivers flows towards the north?
A. Krishna
B. Tapti
C. Narmada
D. Chambal
Ques:- In a class , except 18 all are above 50 years. 15 are below 50 years of age. how many people are there
A. 30
B. 33
C. 36
D. none of these.