The sum of place value of two 3s in the number 73423 is:
76423
73426
3003
none of these
Answer
In the number 73423 :
The place value of 3 in the thousands place = 3000
The place value of 3 in the ones place = 3
Sum of the place values = 3000 + 3 = 3003
Hence, option 3 is the correct option.
53729 is greater than 53972:
true
false
none of these
Answer
Comparing 53729 and 53972, the first two digits (5 and 3) are the same.
Comparing the next digit, 7 < 9.
So, 53729 < 53972.
Therefore, the given statement is false.
Hence, option 2 is the correct option.
The difference between the largest and the smallest 3-digit numbers is:
10,000
899
1,099
none of these
Answer
The largest 3-digit number = 999
The smallest 3-digit number = 100
Required difference = 999 - 100 = 899
Hence, option 2 is the correct option.
The number of two digit numbers from 40 to 70 is:
30
31
29
none of these
Answer
The two digit numbers from 40 to 70 (both included) are 40, 41, 42, ..., 70.
Required count = 70 - 40 + 1 = 31
Hence, option 2 is the correct option.
If A = 83, B = 12 and C = 17, the value of A - B + C is:
54
112
88
none of these
Answer
A - B + C
= 83 - 12 + 17
= 71 + 17
= 88
Hence, option 3 is the correct option.
3,294 + 1,320 after rounding off to the nearest 10 is:
4,430
4,420
4,426
none of these
Answer
3,294 after rounding off to the nearest ten = 3,290
1,320 after rounding off to the nearest ten = 1,320
Required sum = 3,290 + 1,320 = 4,610
Since 4,610 is not among the given options,
Hence, option 4 is the correct option.
The difference between 652 and 4,038 after rounding off each given number to the nearest hundred is:
3,300
3,400
3,390
3,350
Answer
652 after rounding off to the nearest hundred = 700
4,038 after rounding off to the nearest hundred = 4,000
Required difference = 4,000 - 700 = 3,300
Hence, option 1 is the correct option.
2,228 rounded off to the nearest hundred minus 228 to the nearest ten is:
1,790
1,970
2,170
2,220
Answer
2,228 after rounding off to the nearest hundred = 2,200
228 after rounding off to the nearest ten = 230
Required difference = 2,200 - 230 = 1,970
Hence, option 2 is the correct option.
Sum of digits 3 and 8 used in the numbers 5,03,489 is:
3,800
3,030
11
none of these
Answer
The digits referred to are 3 and 8.
Sum of the digits = 3 + 8 = 11
Hence, option 3 is the correct option.
80 is multiplied with 23 instead of 32; the result of multiplication differs by:
80 × (23 - 32)
720
80 × 32 - 23
none of these
Answer
Correct product = 80 × 32 = 2,560
Product obtained = 80 × 23 = 1,840
Difference = 2,560 - 1,840 = 720
Hence, option 2 is the correct option.