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Worksheet Solutions: Mathematical Operations | Know Your Aptitude Class 3 To 5 - Class 5 PDF Download

Word Problems

There are 4 doctors working in a clinic. Each doctor has 2 nurses assisting them. There are two receptionists, Jay, and Molly, working at the reception.

Q1: How many people are working in the clinic?

Ans: 4 + 4 x 2 + 2 = 14
There are 14 people working in the clinic.


Q2: On Monday, 23 patients made appointments with each doctor. However, 6 of the patients did not show up. How many patients visited the clinic on Monday?

Ans: 23 x 4 – 6 = 86
86 patients visited the clinic on Monday.


Q3: On Tuesday, Jay answered 45 phone calls and Molly answered 12 more calls than Jay did. How many calls were answered in total?

Ans: 45 + 45 + 12 = 102
They answered 102 calls in total.


Q4: On Wednesday, a doctor called in sick. The two nurses and Jay together called 36 patients to reschedule their appointments. They shared the calls evenly. How many calls did they each make?

Ans: 36 ÷ 3 = 12
They each made 12 calls.


Q5: Among the calls they made, 13 of the patients decided to cancel their appointments and the rest decided to postpone their appointments. How many appointments were postponed?

Ans: 36 – 13 = 23
23 appointments were postponed.


Q6: Write an equation using “x” and then solve the equation. For each patient they see, each doctor can get paid $80. If there are x patients on that day, the doctor will be paid $1,760.

Ans: 80x = 1,760
x = 22
There were 22 patients that day

Multiple Choice Questions (MCQs)

Q1: Find the missing operation : 7  □ 15 × 8 = 127
(a)

(b) +
(c) ×
(d) ÷

Ans: (b)


Q2: Which operation will you do first in the following equation?
(13 – 3) × 6 + 2
(a)
3 × 6  
(b) 6 + 2
(c) 12 – 3  
(d) 3 × 2

Ans: (c)


Q3: Evaluate: 90 ÷ (6 + 3 × 8)
(a)
9
(b) 39
(c) 3  
(d) 12

Ans: (c)


Q4: Simplify: 12 ÷ 6 × 4
(a) 
2    
(b) 6  
(c) 8  
(d) 12

Ans: (c)


Q5: Which operation will you perform first to evaluate the following equation?
7 + 9 × 3 ÷ 9 – 3
(a) 
7 + 9
(b) 9 – 3
(c) 9 × 3
(d) None of these

Ans: (c)

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