99.
(a) 10 million = ____ crore.
(b) 10 lakh = ____ million.
(a) 10 million = 1 crore.
(b) 10 lakh = 1 million.
100.
(a) 1 metre = ____ millimetres.
(b) 1 centimetre = ____ millimetres.
(c) 1 kilometre = ____ millimetres.
(a) 1000 mm
(b) 10 mm
(c) 1,000,000 mm
101.
(a) 1 gram = ____ milligrams.
(b) 1 litre = ____ millilitres.
(c) 1 kilogram = ____ milligrams.
(a) 1000 mg
(b) 1000 mL
(c) 1,000,000 mg
100 thousands = ____ lakh.
1 lakh
Height of a person is 1m 65cm. His height in millimetres is ____.
1650 mm
Length of river Narmada is about 1290 km. Its length in metres is ____.
1,290,000 m
The distance between Srinagar and Leh is 422 km. The same distance in metres is ____.
422,000 m
Writing of numbers from the greatest to the smallest is called an arrangement in ____ order.
descending
By reversing the order of digits of the greatest number made by five different non-zero digits, the new number is the ____ number of five digits.
smallest
By adding 1 to the greatest ____ digit number, we get ten lakh.
6
The number five crore twenty three lakh seventy eight thousand four hundred one can be written, using commas, in the Indian System of Numeration as ____.
5,23,78,401
In Roman Numeration, the symbol X can be subtracted from ____, M and C only.
L
The number 66 in Roman numerals is ____.
LXVI
The population of Pune was 2,538,473 in 2001. Rounded off to nearest thousands, the population was ____.
2,538,000
The smallest whole number is ____.
0
Successor of 106159 is ____.
106160
Predecessor of 100000 is ____.
99999
400 is the predecessor of ____.
401
____ is the successor of the largest 3 digit number.
1000
If 0 is subtracted from a whole number, then the result is the ____ itself.
number
The smallest 6 digit natural number ending in 5 is ____.
100005
Whole numbers are closed under ____ and under ____.
Addition and multiplication
Natural numbers are closed under ____ and under ____.
Addition and multiplication
Division of a whole number by ____ is not defined.
0
Multiplication is distributive over ____ for whole numbers.
Addition
2395 × ____ = 6195 × 2395
6195
1001 × 2002 = 1001 × (1001 + ____)
1001
10001 × 0 = ____
0
2916 × ____ = 0
0
9128 × ____ = 9128
1
125 + (68+17) = (125 + ____) + 17
68
8925 × 1 = ____
8925
19 × 12 + 19 = 19 × (12 + ____)
1
24 × 35 = 24 × 18 + 24 × ____
17
32 × (27 × 19) = (32 × ____) × 19
27
786 × 3 + 786 × 7 = ____
786 × 10
24 × 25 = 24 × ____
25
A number is a ____ of each of its factor.
multiple
____ is a factor of every number.
1
The number of factors of a prime number is ____.
2
A number for which the sum of all its factors is equal to twice the number is called a ____ number.
prime
The numbers having more than two factors are called ____ numbers.
composite
2 is the only ____ number which is even.
prime
Two numbers having only 1 as a common factor are called ____ numbers.
coprime
Number of primes between 1 to 100 is ____.
25
If a number has ____ in ones place, then it is divisible by 10.
0
A number is divisible by 5, if it has ____ or ____ in its ones place.
0 or 5
A number is divisible by ____ if it has any of the digits 0, 2, 4, 6, or 8 in its ones place.
2
If the sum of the digits in a number is a ____ of 3, then the number is divisible by 3.
multiple
If the difference between the sum of digits at odd places (from the right) and the sum of digits at even places (from the right) of a number is either 0 or divisible by ____, then the number is divisible by 11.
11
The LCM of two or more given numbers is the lowest of their common ____.
multiples
The HCF of two or more given numbers is the highest of their common ____.
factors