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Numbers And Series
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Numbers And Series
Q1.
A.
15
B.
1/15
C.
1.5
D.
1/25
View Answer
Solution
Discuss Question
B.
1/15
Q2. What will be the value of 98
2
?
A.
9406
B.
9604
C.
8630
D.
8360
View Answer
Solution
Discuss Question
B.
9604
98 × 98 = 9604
Q3. Find the sum of 25 odd numbers?
A.
625
B.
240
C.
500
D.
425
View Answer
Solution
Discuss Question
A.
625
Q4.
A.
310
B.
340
C.
320
D.
330
View Answer
Solution
Discuss Question
A.
310
Q5. 518 × ? × 9 =303030
A.
75
B.
65
C.
85
D.
55
View Answer
Solution
Discuss Question
B.
65
Q6. What is the difference between the place values of 9 and 3 in number 689235?
A.
9209
B.
8970
C.
6
D.
40
View Answer
Solution
Discuss Question
B.
8970
The place value of 9 is = 9000, and the place value of 3 is = 30. 9000 - 30 = 8970.
Q7. What is the prime number less than 70?
A.
17
B.
18
C.
19
D.
20
View Answer
Solution
Discuss Question
C.
19
19, is a prime number less than 70.
Q8. What is the sum of all prime numbers between 50 and 90?
A.
485
B.
572
C.
722
D.
635
View Answer
Solution
Discuss Question
D.
635
53+59+61+67+71+73+79+83+89 = 635.
Q9. Find the unit digit of the multiplication of 48237 × 3995 × 738 × 83 × 9?
A.
0
B.
7
C.
5
D.
6
View Answer
Solution
Discuss Question
A.
0
unit digit = 7 × 5 × 8 × 3 × 9 = 140 =0
Q10. What number is the prime number?
A.
4
B.
1
C.
2
D.
None of these.
View Answer
Solution
Discuss Question
C.
2
2 is the only number that is prime number.
1
2
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