Word Problems on Finding the Missing Number

Q.

Does swapping rows change the determinant?

Q. Jerry read 456 pages from his book on Saturday and 324 pages on Sunday. There are 1, 000 pages in the book. How many pages more does he have to read?

1. 770
2. 1, 000
3. 230
4. 1, 230

Q. There are 196 red, yellow, and white flowers in a basket. If there are 45 red flowers and 54 yellow flowers, how many white flowers are there?

1. 99
2. 98
3. 97
4. 96

Q.

Jeffrey purchased and downloaded $12$ songs on Monday.

He purchased $3$ songs on Tuesday.

The cost to download each song is $\$2.$

Write a numerical expression to represent this situation

Q. On Rocky's birthday, his brother gifted him a pack of 135 chocolates, and his sister gifted him a pack of 180 Swiss chocolates. He ate a total of 126 chocolates. Find the number of chocolates left with him now.

1. 315
2. 305
3. 189
4. 289

Q. Help Sasha solve the given problem.

1. 11, 234
2. 12, 234
3. 11, 244
4. 11, 236

Q. Cart is a famous basketball player. He has scored 1, 256 points in all the matches (league and state) so far. He scored 856 points in the league matches. Find out the points scored by him in the state matches.

1. 2, 112
2. 200
3. 2, 012
4. 400

Q. Chris bought a refrigerator for $\$10,456$ and an oven for $\$9,256$. Later, he sold the oven for $\$7,356$. How much money did he actually spend in the end?

1. $19, 712
2. $12, 356
3. $12, 456
4. $12, 366