DSSSB PRT

2022

Afternoon

Arithmetic Ability 20

All Questions 20 Algebra 1 Average 1 Data Interpretation 3 Fractions 1 Mensuration 2 Mixtures 1 Number System 1 Partnership 1 Percentage 2 Profit & Loss 1 Simple Interest 1 Simplification 1 Time and Work 1 Time, Speed & Distance 2 Unit Digit 1

General Awareness 20

All Questions 20 Art & Culture 2 Awards 2 Books & Authors 1 Economy 3 Geography 2 History 3 Polity 2 Science 3 Sports 2

General English 20

All Questions 20 Antonyms 1 Comprehension 5 Grammar 3 Idioms 2 One Word Substitution 1 Sentence Rearrangement 2 Spelling 2 Spotting Errors 2 Synonyms 1 Vocabulary 1

General Hindi 20

All Questions 20 Antonyms 1 Case (Karak) 1 Comprehension 5 Grammar (Aspect) 1 Grammar (Avyay) 1 Idioms 2 Noun 1 One Word 1 Punctuation 2 Sandhi 1 Sentence Type 2 Synonyms 1 Word Pair 1

Mental Ability 20

All Questions 20 Analogy 2 Classification 2 Coding-Decoding 1 Dictionary Order 1 Direction Sense 2 Embedded Figures 1 Logic Puzzle 2 Missing Character 1 Pattern Completion 1 Seating Arrangement 1 Series 2 Syllogism 2 Venn Diagram 2

Teaching Methodology 100

All Questions 100 Adolescence 4 Art & Culture 1 Art Education 1 Attachment Theory 1 Biology 3 Child Development 6 Child Health 1 Child Psychology 1 Classroom Management 2 Co-curricular 1 Economics of Education 1 Education Commissions 1 Evaluation 1 EVS 3 EVS Pedagogy 4 Gender 1 Government Schemes 1 Health 1 Health Education 1 History 3 History of Education 3 ICT 1 Inclusive Education 3 Language 2 Language Pedagogy 1 Learning Theories 1 Mathematics 5 Nutrition 1 Pedagogy 12 Philosophy 2 Physical Education 2 Piaget's Theory 1 Play 1 Psychology 5 RTE Act 2 School Management 9 Social Reformers 1 Social Science Pedagogy 1 Sociology 2 Special Education 1 TLM 1 Vocabulary 1 Work Education 2 Yoga 2

Arithmetic Ability

Mixtures

EN हिंदी

✕

DSSSB PRT 2022 Afternoon 📅 23 Mar, 2022

Mixture of milk and water in three bottles (2:3, 1:2, 4:3). Mixed. Ratio?

A

137:178

B

137:177

C

178:135

D

137:179

Result Summary

APEDIA

DSSSB PRT

2022 • 23 Mar, 2022 • Afternoon

Mixture of milk and water in three bottles (2:3, 1:2, 4:3). Mixed. Ratio?

Correct Answer

137:178

• LCM of totals: 5, 3, 7 -> 105. • Milk: 2/5(105) + 1/3(105) + 4/7(105) = 42 + 35 + 60 = 137. • Water: 3/5 + 2/3 + 3/7 -> 63 + 70 + 45 = 178. • Ratio......

💡 Analysis & Explanation

• LCM of totals ▼

5, 3, 7 -> 105.

• Milk ▼

2/5(105) + 1/3(105) + 4/7(105) = 42 + 35 + 60 = 137.

• Water ▼

3/5 + 2/3 + 3/7 -> 63 + 70 + 45 = 178.

• Ratio ▼

137:178.