Here in this article we are sharing a expected most important questions for railway rrb ntpc , group d and other competitive exams . these all questions based on –
1. What is the formula of sodium zincate
A. Na2Zno3
B. Na2Zn(OH)4
C. Na2No3
D. None of these
Answer. B ,Chemical formula of sodium zincate is – Na2Zn(OH)4
2. Find the missing number ?
12 6 24
13 4 26
14. 2 ?
A. 28
B. 26
C. 30
D. 32
Answer. A
3. Black soil found in
A. Maharashtra
B. West Bengal
C. Andhra Pradesh
D. All
Answer. D
4. Seismograph used to measure
A. Earthquake
B. Temperature
C. Humidity
D. None of these
Answer. A
5. find the missing number in given below series
69 , 73 , 82 , 98 , 123 , ?
A. 158
B. 159
C. 160
D. 162
Answer. B
6. Find the missing number
37 , 37 , 38 , 40 , 43 , 47 , ?
A. 52
B. 53
C. 54
D. 55
Answer. A
7. Find the wrong number
25 , 5 , 49 , 7 , 64 , 9 , 121 , 11
A. 25
B. 49
C. 64
D. 121
Answer. C
8. What is the symbol of iron
A. Ag
B. Au
C. Fe
D. Na
Answer. C
9. Study of liver is called
A. Hepatology
B. Dermatology
C. Pulmonology
D. None of these
Answer. A
10. author of ” The Shadow Lines “
A. Chentan bhagat
B. Amitav Ghosh
C. Seems Roy
D. None of these
Answer. B
11. Ankara capital of which country
A. Turkey
B. Iran
C. Syria
D. Malaysia
Answer. A
Important questions for competitive exam
