Advertisements
Advertisements
प्रश्न
Scientists use the Kelvin scale (K) as an alternative temperature scale to degrees Celsius (°C) by the relation T°C = (T + 273)K. Convert the following to Kelvin:
−400°C
उत्तर
−400°C = (−400 + 273)K
= −127K
APPEARS IN
संबंधित प्रश्न
A poet Tamizh Nambi lost 35 pages of his ‘lyrics’ when his file had got wet in the rain. Use integers, to determine the following.
If Tamizh Nambi wrote 5 pages per day, how many day’s work did he lose?
An atom can contain protons which have a positive charge (+) and electrons which have a negative charge (−). When an electron and a proton pair up, they become neutral (0) and cancel the charge at. Now determine the net charge:
7 protons and 6 electrons →
Scientists use the Kelvin scale (K) as an alternative temperature scale to degrees Celsius (°C) by the relation T°C = (T + 273)K. Convert the following to Kelvin:
−273°C
A poet Tamizh Nambi lost 35 pages of his ‘lyrics’ when his file had got wet in the rain. Use integers, to determine the following:
If Tamizh Nambi is paid ₹ 250 for each page produced, how much money did he lose?
A poet Tamizh Nambi lost 35 pages of his ‘lyrics’ when his file had got wet in the rain. Use integers, to determine the following:
If Kavimaan helps Tamizh Nambi and they are able to produce 7 pages per day, how many days will it take to recreate the work lost?
Kalaivani had ₹ 5000 in her bank account on 01.01.2018. She deposited ₹ 2000 in January and withdrew ₹ 700 in February. What was Kalaivani’s bank balance on 01.04.2018, if she deposited ₹ 1000 and withdraw ₹ 500 in March?
Match the statements in Column A and Column B
S.No. | Column A | Column B |
1. | For any two integers 72 and 108, 72 + 108 is also an integer. | (a) Distributive property of multiplication over addition. |
2. | For any three integers 68, 25 and 99 68 × (25 + 99) = (68 × 25) + (68 × 99) |
(b) Multiplicative identity |
3. | 0 + (−138) = (−138) = (−138) + 0 | (c) Commutative property under |
4. | For any two integers (−5) and 10 (−5) × 10 = 10 × (−5) |
(d) Closed under addition. |
5. | 1 × (−1098) = (–1098) = (–1098) × 1 | (e) Additive identity. |
If the letters in the English alphabets A to M represent the number from 1 to 13 respectively and N represents 0 and the letters O to Z correspond from −1 to −12, find the sum of integers for the names given below.
For example,
MATH → Sum → 13 + 1 – 6 + 8 = 16
SUCCESS
A dog is climbing down into a well to drink water. In each jump, it goes down 4 steps. The water level is in 20th step. How many jumps does the dog take to reach the water level?
Kannan has a fruit shop. He sells 1 dozen bananas at a loss of ₹ 2 each because it may get rotten next day. What is his loss?