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1. The statement which prints out the value of the integer variable sum, is
printf("%s", sum); print("%i", sum); printf("%d", sum); printf("%d", &sum);
2. The statement which prints out the text string "Welcome", followed by a newline, is.
printf("Welcome\n"); printf(Welcome, '\n'); printf(Welcome\n); printf('Welcome', '\n');
3. The statement which prints out the value of the character variable letter, is
printf(letter); printf("%c", &letter); printf("%d", letter); printf("%c", letter);
4. The statement which prints out the value of the float variable discount, is
printf("%s", discount); print('discount'); printf("%f", discount); printf("%d", discount);
5. The statement which prints out the value of the float variable dump using two decimal places, is
printf("%f", dump); printf("%.2f", dump); printf("%2f", dump); printf("%f", &dump);
6. The statement to read a decimal value from the keyboard, into the integer variable sum, is
scanf("%d", &sum); scanf(sum); scanf("%s", sum); scanf("%f", &sum);
7. The statement to read a float value into the variable discount_rate is
scanf("%f", discount_rate); scanf("%d", &discount_rate); scanf(discount_rate); scanf("%f", &discount_rate);
8. The statement to read a single character from the keyboard into the variable operator, skipping leading blanks, tabs and newline characters, is
scanf("%s", operator); scanf("%c", &operator); scanf(" %c", &operator); scanf("%c", operator);
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